Dedicated to Nurgle:

Rotcleaver, new passive ability added: "Rot and Decay" AoE Armour debuff.
Rotcleaver, imbued effect removed: Sundering Attacks (conflict with poison contact effect).

Plaugeblade, new passive ability added: "Plagueblade" AoE Vigor Drain debuff, active while in melee.

Bilesword, new active ability added: "Noxious Bile", AoE Direct Damage over time.
Bilesword, stat change: Melee Defence removed.

Nurgle dedicated weapons slight tweak in strength.

Update improves most late tier weapons to be stronger, some weapons have new or changed effects, "arcane weapons" such as staves and clubs now are more magical focused.

Change log:

Undivided

Doom sword, enable "Flaming attacks" changed to ability "Foe Seeker"

Jagged Lance, AP damage increased from +10% to +15%

Unholy Daemonblade, Base Weapon Damage increased from +30% to +35%

Hungering Daemonblade, AP increased from +10% to +15%

Hellforged Blade, Bonus vs Infantry +5 changed to Melee Attack +4


Khorne

Axe of Fury, Melee attack increased from +4 to +8

Great Axe of Rage, Base Weapon Damage increaased from 65% to 70%

Great Axe of Fury, Bonus vs Infantry +30 changed into Melee Attack +16


Nurgle

Rot Club, Bonus vs Infantry +5 removed
Rot Club, Spell resistance +7% removed
Rot Club, added effect Cooldown for Lore of Nurgle and Lore of Death spells -10%

Plague Club, removed Miscast -5%
Plague Club, Physical resistance +5% now affects all units in army

Plagueblade, AP damage increased from +35% to +37%
Plagueblade, Base Weapon Damage increaased from +25% to +27%

Bilesword, Base Weapon Damage increaased from +35+ to +40%
Bilesword, Physical reistance +5% changed into Melee Defence +5


Slaanesh

Feasting Spear, Base Weapon damage increased from +10% to +15%


Tzeentch
All staves, -5% base damage

Staff of Reaping, enables passive ability "Arcane Conduit"

Staff of Bones, enables passive ability "Arcane Conduit"

Staff if Deceit, enables passive ability "Arcane Conduit"

Staff of Riddles, "Arcane Conduit" upgraded into "Greater Arcane Conduit"

Staff of the Watcher, "Arcane Conduit" upgraded into "Greater Arcane Conduit"

Arcane Dagger, Spell Resistance +10% now affects all units in army

Eldritch Dagger, changed "Gate of Tzeentch" to "Greater gate of Tzeentch

Mystical Dagger, added effect Cooldown for Lore of Tzeentch and Lore of Metal spells -10%

Ensorcelled Great Lance, Spell resistance increased from +5% to +9%