I seem to have forgotten that other mods use the Holy Mountain for important things, and that changing its layout would also affect or potentially break those mods. Whoops!
This is a quick hotfix that disables the HM changes entirely until I sort out conflicts. Sorry for any inconvenience this causes in the meantime.

Removals

Pixel Scenes

• All changes to the Holy Mountain have been temporarily disabled until cross-mod conflicts can be addressed

Uhhh content! Lots! Decided that I'll release periodic WIP updates instead of trying to complete an entire biome before releasing, because this is taking waaay too long and I don't want this to go stale or reach a point where I can't make minor but important updates without doing some unfinished asset juggling.
Includes a decent chunk of Temple-related assets (enemies, materials, other cool stuff), a near-complete Holy Mountain, and a few other objects and projectiles.
Also, there's now a Git repo[github.com]! Go there if you want older releases because you don't like incomplete content (eg. current goal is Temple and Lab, whose assets won't be fully completed until 1.1).

New Additions

Miscellaneous UI Elements

• Miniboss Health Bar (2)
  
• Progress Menu UI (4)

Particles/Emitters

• Dark Flame Fadeout
  
• Disc Trail
  
• Electric Arc
  
• Electric Explosion - 40px
  
• Electric Spark
  
• Energy Explosion - Blue 16px
  
• Energy Explosion - Green 16px
  
• Health Pickup Fadeout
  
• Health/Refresh Pickup Emitter
  
• Mini Portal Graphics - Indigo Whirl (8)
  
• Portal Graphic - Purple
  
• Portal Graphics - Blue Whirl (8)
  
• Portal Graphics - Green Whirl (8)
  
• Portal Graphics - Magenta Whirl (8)
  
• Portal Graphics - Red Whirl (8)
  
• Quantum Split (2)
  
• Spell Refresher Fadeout (currently nonfunctional, for some reason)

Items

• Giga Holy Bomb
  
• Glitter Bomb
  
• Holy Bomb
  
• Propane Tank
  
• Rock
  
• TNT

Objects

• Chains (2)
  
• Extra Max Health
  
• Full Health Regeneration
  
• Giga Holy Bomb
  
• Glitter Bomb
  
• Glue Ball (2)
  
• Great Treasure Chest
  
• Hanging Torch
  
• Holy Bomb
  
• Holy Mountain Lantern
  
• Holy Mountain Rubble (6)
  
• Holy Mountain Sale Indicator
  
• Holy Mountain Statue (3)
  
• Minecart
  
• Minecart Wheel (2)
  
• Perk Reroll Machine
  
• Spell Refresher
  
• Standing Torch
  
• Temple Crystal - Cursed
  
• Temple Crystal - Firebolt
  
• Temple Crystal - Quake
  
• Temple Sarcophagus (2)
  
• Temple Statue
  
• Temple Vase - Gunpowder
  
• Temple Vase - Hamis
  
• TNT
  
• Treasure Chest

Creatures

Creature stain maps are currently broken; my map generator seems to have exploded and I am seeking a fix
• Creep - "Hyypio" (2)
  
• Cursed Crystal - "Kirottu Kristalli" (2)
  
• Death Worm - "Kalmamato" (3)
  
• Delirium - "Houre" (2)
  
• Delirium's Crystal
  
• Fish - "Evakas" (3)
  
• Giant Worm - "Jattimato" (9) (visually awkward due to head speed scaling; will figure out how to disable this eventually)
  
• Glowing Creep - "Hohtava Hyypio" (2)
  
• Skull Fly - "Kallokarpanen" (4)
  
• Skull Rat - "Kallorotta" (4)
  
• Small Worm - "Pikkumato" (9)
  
• Temple Acid Trap
  
• Temple Arrow Trap
  
• Temple Fire Trap
  
• Temple Thunder Trap
  
• Worm - "Mato" (9) (visually awkward due to head speed scaling; will figure out how to disable this eventually)

Shared Parts

• Creep Tail (3)

Other

• Progress Log Icons (11)
  
• Gore (16)

Projectiles

• Arrow
  
• Bullet
  
• Dark Flame
  
• Disc Projectile (intended to have a grounded sprite that I currently cannot get working)
  
• Energy Sphere
  
• Giga Disc Projectile (intended to have a grounded sprite that I currently cannot get working)
  
• Giga Nuke
  
• Glowing Lance
  
• Glue Ball
  
• Lightning
  
• Magic Arrow
  
• Missile
  
• Nuke
  
• Omega Sawblade (intended to have a grounded sprite that I currently cannot get working)
  
• TNT

Materials

• Blue Sand
  
• Brickwork (3)
  
• Brickwork - Alt (3)
  
• Brickwork - Broken (3)
  
• Brickwork - Diamond (3)
  
• Brickwork - Gold (3)
  
• Cursed Rock
  
• Dense Rock
  
• Diamond
  
• Extremely Dense Rock
  
• Gold
  
• Greed-Cursed Rock
  
• Rock
  
• Sand
  
• Volcanic Sand

Pixel Scenes

• Entrance of The Tower
  
• Fast Travel Room
  
• Holy Mountain (13)
  
• Holy Mountain GFX (3)
  
• Portal to The Tower

Background Decor

• Mestari Statues (6)
  
• Temple Platforms (7)

Biome Backgrounds

• Holy Mountain (2)
  
• Portal to The Tower
  
• Temple of the Art (5)
  
• Underground Default (2)

Fixes

Spell Icons

• Changed all instances of the "Sublimation" symbol into "Congelation"
  
• Repaletted several spells which depicted wood
  
• Repaletted several spells which depicted red or blue crystal
  
• Repaletted Circle of Stillness
  
• Remade Disc Projectile
  
• Remade Giga Disc Projectile
  
• Remade Omega Sawblade

Infobox Icons

• Remade Ice Damage

Miscellaneous UI Elements

• Remade Pause Menu Graphics (2)

Wands

• Tweaked Varpuluuta
  
• Repaletted Ruusu
  
• Repaletted Vasta
  
• Repaletted Vihta
  
• Repaletted Kiekurakeppi
  
• Repaletted Kantele
  
• Tweaked Experimental Wand (Glittery)

After 6 months of work (alongside a few objects/particles/objects, the two UI mods, and my other super secret work [coming soon!]), all vanilla spell icons have finally been resprited. It's been quite the learning experience for both my art and modding as a whole, and I'm proud to have come this far. Thank you all for taking the time to check out this mod and for your support!

So... what's next?
Well, as you can probably tell, the mod version has gained an extra number; now instead of major.content.patch, it'll look like overhaul.major.content.patch. This is because further updates will contain large amounts of WIP content as the primary focuses change, and respective assets will be added as a 'major' complete release once a primary focus is completed.
The focus will turn from the spells to the environment, with a few other things alongside. I am far from done here...

New Additions

Spell Icons

Spell Name

Internal Image ID

Toxic Sludge To Acid

toxic_to_acid

Chaotic Transmutation

transmutation

Add Trigger

trigger

Firecrackers

unstable_gunpowder

Vacuum Field

vacuum_entities

Liquid Vacuum Field

vacuum_liquid

Powder Vacuum Field

vacuum_powder

Formation - Trifurcated

w_shape

Horizontal Barrier

wall_horizontal

Square Barrier

wall_square

Vertical Barrier

wall_vertical

Water To Poison

water_to_poison

Water Trail

water_trail

Worm Launcher

worm

Matosade

worm_rain

All-Seeing Eye

x_ray

Formation - Bifurcated

y_shape

Zeta

zeta

Fixes

Spell Icons

• Remade Explosive Projectile
  
• Tweaked Light
  
• Remade all Glimmer type spells

More spell icons, and the ability to toggle them all!

This will be the last update prior to 1.0. See you soon...

New Additions

Spell Icons

Spell Name

Internal Image ID

Summon Tentacle With Timer

tentacle_timer

Explosion of Thunder

thunder_blast

Thunder Charge

thunderball

Add Timer

timer

Summon Tiny Ghost

tiny_ghost

Summon Explosive Box

tntbox

Summon Large Explosive Box

tntbox_big

Torch

torch

Electric Torch

torch_electric

Touch Of Spirits

touch_alcohol

Touch Of Blood

touch_blood

Touch Of Gold

touch_gold

Touch Of Oil

touch_oil

Touch Of Smoke

touch_smoke

Touch Of Water

touch_water

Technical

• Added a toggle for spell icons, in case you find the new ones difficult to learn but you like the rest of the pack

Fixes

Spell Icons

• Tweaked Blood
  
• Tweaked Water
  
• Remade all "X To X" type spells

Technical

• Icon replacement has been optimized, and should load about 2x faster

More spell icons, an overlooked infobox icon, new particle emitters, and various edits.

New Additions

Spell Icons

Spell Name

Internal Image ID

Summon Wasp Swarm

swarm_wasp

Formation - Above And Below

t-shape

Tau

tau

Teleporting Cast

teleport_cast

Teleport Bolt

teleport_projectile

Homebringer Teleport Bolt

teleport_projectile_closer

Small Teleport Bolt

teleport_projectile_short

Return

teleport_projectile_static

Circle of Displacement

teleportation_field

Summon Platform

temporary_platform

Summon Wall

temporary_wall

Summon Tentacle

tentacle

Eldritch Portal

tentacle_portal

Tentacler

tentacle_ray

Personal Tentacler

tentacle_ray_enemy

Infobox Icons

• Knockback

Particles

• Summoned Platform Emitter
  
• Summoned Wall Emitter

Objects

• Summoned Platform
  
• Summoned Wall

Fixes

Spell Icons

• Remade Swapper
  
• Tweaked Lightning Thrower
  
• Remade Plasma Beam Thrower
  
• Tweaked Tau
  
• Remade Chunk Of Soil
  
• Remade Freeze Charge
  
• Remade Electric Charge
  
• Tweaked Projectile Weakening Curse
  
• Remade Heavy Spread
  
• Tweaked Reduce Spread
  
• Remade Knockback
  
• Remade Recoil and Recoil Damper

Infobox Icons

• Tweaked Ice Damage

Misc UI Elements

• Textbox 9-Piece (Highlighted)

Technical

• Texture-modifying code is run after mod is initialized, allowing it to overwrite the changes of other mods

Routine update.

New Additions

Spell Icons

Spell Name

Internal Image ID

Giant Spitter Bolt

spitter_purple

Giant Spitter Bolt with Timer

spitter_purple_timer

Spitter Bolt with Timer

spitter_timer

Prickly Spore Pod

spore_pod

Reduce Spread

spread_reduce

Ground to Sand

static_to_sand

Summon Egg

summon_egg

Summon Hollow Egg

summon_hollow_egg

Summon Portal

summon_portal

Rock

summon_rock

Summon Taikasauva

summon_wandghost

Warp Cast

super_teleport_cast

Swapper

swapper_projectile

Summon Firebug Swarm

swarm_firebug

Summon Fly Swarm

swarm_fly

Items

• Flask, held (all items with a held variant will now have their UI and held sprites made as a pair)
  
• Jar
  
• Pouch
  
• Kaljapullo
  
• Hollow Egg
  
• Egg
  
• Slimy Egg
  
• Toasty Egg
  
• Egg (tentacle)
  
• Chilly Egg
  
• Wiggling Egg

Objects

• Pouch
  
• Kaljapullo
  
• Hollow Egg
  
• Egg
  
• Slimy Egg
  
• Toasty Egg
  
• Egg (tentacle)
  
• Chilly Egg
  
• Wiggling Egg
  
• Rock (Spell)

Other

• Now has a native UI (basically what STP:EUI and FFUI do)

Fixes

Spell Icons

• Repaletted all Spark Bolt spells
  
• Tweaked Spark Bolt with Double Trigger
  
• Tweaked all current Formation spells
  
• Tweaked both Explosion On Drunk variants
  
• Tweaked Slow But Steady
  
• Tweaked Reduce Recharge Time
  
• Remade all Projectile Field variants
  
• Remade all X To Power variants
  
• Tweaked Healing Bolt
  
• Remade Add Mana
  
• Fixed Random Projectile Spell
  
• Repaletted and tweaked all Black Hole spells, Spells to Black Holes, and Matter Eater
  
• Repaletted various spells that depicted rock
  
• Repaletted various spells that depicted the starter wand
  
• Tweaked Long Distance Cast
  
• Remade Cement
  
• Tweaked Glue Ball
  
• Remade Destruction
  
• Tweaked Earthquake
  
• Tweaked Delayed Spellcast
  
• Tweaked Summon Friendly Fly

Infobox Icons

• Remade Critical Chance
  
• Remade Explosion Radius
  
• Remade Mana Drain
  
• Tweaked Mana Max
  
• Tweaked Mana Charge Speed

HUD Elements

• Remade Money icon
  
• Tweaked Levitation icon
  
• Tweaked Potion icon
  
• Remade Mana icon

Wands

• Tweaked/fixed Kantele
  
• Repaletted both starter wands
  
• Repaletted Kiekurakeppi

Technical

• The mod ID has changed... again. You will need to re-enable the mod, and existing runs may lose some or all STP:SS changes unless 'restarted with active mods enabled'.
  
• In preparation for a change to the focus of the texture pack, SpicyTP: Simple Spells has been rebranded to be simply SpicyTP:Core. No acronym affix, just the core mod in the SpicyTP series.

I forgot to change the ingame description shhh

Routine update.
My personal Discord server[discord.gg] now has a SpicyMods category! Join if you'd like to keep up with my modding endeavours.

New Additions

Spell Icons

Spell Name

Internal Image ID

Sigma

sigma

Slithering Path

sinewave

Slimeball

slimeball

Energy Orb

slow_bullet

Energy Orb with A Timer

slow_bullet_timer

Energy Orb with A Trigger

slow_bullet_trigger

Slow But Steady

slow_but_steady

Chunk of Soil

soil

Speed Up

speed

Spells to Power

spells_to_power

Spiral Shot

spiral_shot

Spiral Arc

spiraling_shot

Spitter Bolt

spitter

Large Spitter Bolt

spitter_green

Large Spitter Bolt with Timer

spitter_green_timer

Shaped Emitters

• Sea of Acid
  
• Sea of Lava
  
• Sea of Oil
  
• Sea of Water
  
• Sea of Flammable Gas
  
• Sea of Alcohol

Fixes

Spell Icons

• Tweaked The End of Everything
  
• Tweaked Circle of Unstable Metamorphosis
  
• Tweaked Path of Dark Flame
  
• Tweaked Energy Shield Sector
  
• Tweaked Glitter Bomb
  
• Remade Horizontal Path
  
• Tweaked Spark Bolt with Double Trigger
  
• Remade Linear Arc
  
• Tweaked Liquid Detonation
  
• Tweaked Circle of Transmogrification
  
• Tweaked Projectile Transmutation Field
  
• Repaletted a ton of spells that used the "purple" (magenta) energy palette (it is now a more true purple)

Wands

• Tweaked and fixed Huilu

Removals

Props

• Minecart (moved to another potentially upcoming mod...)

Routine update.

New Additions

Spell Icons

Spell Name

Internal Image ID

Downwards Bolt Bundle

rocket_downwards

Octagonal Bolt Bundle

rocket_octagon

Large Magic Missile

rocket_tier_2

Giant Magic Missile

rocket_tier_3

Bouncing Burst

rubber_ball

Double Scatter Spell

scatter_2

Triple Scatter Spell

scatter_3

Quadruple Scatter Spell

scatter_4

Sea of Acid

sea_acid

Sea of Flammable Gas

sea_acid_gas

Sea of Alcohol

sea_alcohol

Sea of Lava

sea_lava

Sea of Oil

sea_oil

Sea of Water

sea_water

Circle of Shielding

shield_field

Props

• Minecart

Fixes

Spell Icons

• Tweaked Double Spell
  
• Remade Cursed Sphere
  
• Tweaked Random Damage
  
• Tweaked Divide By 2
  
• Tweaked Divide By 3
  
• Tweaked Divide By 4
  
• Tweaked Divide By 10
  
• Tweaked Personal Gravity Field
  
• Tweaked Aiming Arc
  
• Tweaked Long-Distance Cast
  
• Tweaked Mist of Spirits
  
• Tweaked Toxic Mist
  
• Remade Projectile Gravity Field
  
• Remade Projectile Thunder Field
  
• Remade Projectile Transmutation Field

I'm baaack :)

New Additions

Spell Icons

Spell Name

Internal Image ID

Glittering Field

purple_explosion_field

Quantum Split

quantum_split

Rainbow Trail

rainbow_trail

Chaos Magic

random_explosion

Random Modifier Spell

random_modifier

Random Projectile Spell

random_projectile

Random Spell

random_spell

Random Static Projectile Spell

random_static_projectile

Reduce Recharge Time

recharge

Recoil

recoil

Recoil Damper

recoil_damper

Circle of Vigour

regeneration_field

Remove Bounce

remove_bounce

Wand Refresh

reset

Magic Missile

rocket

Projectiles

• Bomb Cart
  
• Propane Tank

Infobox Icons

• Uses Remaining
  
• Spell Type
  
• Bounces
  
• Critical Chance
  
• Curse Damage
  
• Drill Damage
  
• Electric Damage
  
• Explosion Damage
  
• Fire Damage
  
• Healing Damage
  
• Ice Damage
  
• Melee Damage
  
• Projectile Damage
  
• Slice Damage
  
• Explosion Radius
  
• Cast Delay
  
• Spells/Cast
  
• Capacity
  
• Always Cast
  
• Recharge Time (Wand)
  
• Shuffle
  
• Mana Charge Speed
  
• Mana Drain
  
• Mana Max
  
• Recharge Time (Modifier)
  
• Speed
  
• Spread

HUD Elements

• Levitation Bar Color
  
• HP Bar Color
  
• HP Bar Damaged/Alt Low Color
  
• HP Bar Low Flash Color
  
• HP Bar Healed Color
  
• Mana/Cast Delay Bar Color
  
• Wand Refresh Bar Color
  
• Bar Emphasis Flash Color
  
• Cast Delay Icon
  
• HP Icon
  
• Levitation Icon
  
• Mana Icon
  
• Money Icon
  
• Orb Icon
  
• Potion Icon
  
• Recharge Icon

Items

• Sampo

Objects

• Sampo
  
• Sampo (Activated)

Wands

• Starter Wand B
  
• Huilu
  
• Starter Wand A
  
• Kantele
  
• Experimental Wand (Gun)
  
• Wand of Swiftness
  
• Wand of Destruction
  
• Wand of Multitudes
  
• Ruusu
  
• Varpuluuta
  
• Valtikka
  
• Arpaluu
  
• Vasta
  
• Vihta
  
• Kiekurakeppi

Fixes

Spell Icons

• Tweaked Bomb
  
• Tweaked Bomb Cart
  
• Tweaked Holy Bomb
  
• Tweaked Giga Holy Bomb
  
• Remade Double Spell
  
• Remade Triple Spell
  
• Tweaked Myriad Cast
  
• Tweaked Chainsaw
  
• Tweaked Thundercloud
  
• Tweaked Energy Shield
  
• Tweaked Energy Shield Sector
  
• Tweaked Summon Deercoy
  
• Tweaked Summon Friendly Fly
  
• Tweaked Gold to Power
  
• Tweaked Requirement - Projectile Spells
  
• Tweaked all Kantele Note spells
  
• Tweaked ???
  
• Remade Add Mana
  
• Tweaked Mist of Spirits
  
• Tweaked Blood Mist
  
• Tweaked Toxic Mist
  
• Tweaked Slime Mist
  
• Tweaked Mu
  
• Tweaked Nolla
  
• Tweaked Giga Nuke
  
• Tweaked all Ocarina Note spells
  
• Tweaked Omega
  
• Tweaked Digging Blast
  
• Tweaked Phi

Technical

• Changed the mod's internal ID. You will need to re-enable the mod as Noita will no longer recognize it, but existing runs will lose icon changes regardless. Icons should be replaced again once you start a new run or refresh the run's mods

Removals

Inventory Elements

• All spell icon frames (they have been moved to SpicyTP:EUI)