SPOILERS FOR ATTACK ON TITAN

I've had the idea of a attack on titan mod for awhile now if your interested in the idea

so 3 normal titans which i think should be based more around the movie versions to make them more monsterous one being 3 meter class the second being 7 meters and the last one could be 14 meters with maybe a varying size mechanic like how the coel and salmon have

titan shifters could make you have to kill one in the wild to obtain its powers and same goes for players making interesting pvp gameplay, the titan shifters i think would go great with the mod are:

attack titan

colossal titan for its size and power and the nuke ability when it transforms being the most powerful and devastating but the slowest

armored titan for being able to charge things down and maybe it could have a reduction to any physical and small arms damage dealt to it making stuff like explosives really effective

beast titan because i think its throwing abilities could make a great shotgun style attack where it throws boulders at its targets and it could maybe control wild titans by roaring for a short time or if not it could summon titans

cart titan which probably seems like a weird pick but i think it would be great for something like a platform saddle and maybe the gun armor from the manga plus it could have the most stamina of all the shifters making it actually pretty useful in ark

warhammer titan for its abilities to create weapons, so one attack can be a hammer swing, another could be it using a titan crystal whip, and a crossbow for range attacks, and maybe when it gets low on health it'll summon spikes from the ground that damage things caught in the radius

the jaws titan could be able to climb things and jump higher/farther and could be a glass cannon kind of titan with its jaw attack easily killing most things in ark and i think the galliard version of the jaws titan would look better in ark

the female titan could have the ability to regenerate extremely quickly but it drains its stamina and it could harden increasing attack and defense

these could be added as future bosses too

the wall titans could act as smaller weaker versions of the colossal titan without the steam abilities that could be like world bosses that naturally roam around the map killing anything they come across and there 45 meters the colossal titan is 60 meters if you do end up liking this you'll know the size differences between them because alot of people get the sizing wrong thinking its the same size despite the fact the colossal titan is larger than the walls

rod reiss titan being a massive worldboss thats even larger than the colossal titan that causes overheat just being around it and if things are really close they could take fire damage

as for items maybe odm gear and gun gear so you can fly around and they could work similarly to the grappling hook, the attack on titan swords that could deal more damage to titans than regular weapons

another really cool thing could be a titan syrum item that you can inject into yourself or maybe captured players in a pvp scenario to turn them into mindless titans to let loose on enemy bases that could vary depending on the syrum type and the reason youd want to inject yourself is because if you killed a titan shifter while as a mindless titan you'll revert back to normal and not only have your titan shifter stronger than what it would normally be but also your human form as well having increased healing speed and stamina regen while slowing hunger and dehydration

the four syrum types i have in mind are the small, medium, large, and wall titan syrums