Low%
it would work just like Low% for other zelda games. Any thing you pick up in your inventory including weapons, food, monster parts, korok seeds, and spirit orbs. as well as completing any quest or side quest. and discovering any new location on your map. Like stables as they show an icon on the map but finding a great fairy fountain wouldnt count. using one would however. Also defeating any enemy would count and so would cooking. eating what you pick up doesnt count.
City%
You must travel to all main cities/Villages in the game the only exception being terry Town. But Korok Forest Counts.
Hunter%
you must kill one of every type of enemy in the game. If you kill more then one the run ends. So if you kill a red Boko then another the run ends. if its played on master mode it can be Hunter Master%
run ends when you kill dark beast while only killing one of each enemy. if its in the compendium as an enemy it counts.

I found out that Plateau% already exists lol

lol i was routing low percent just a few days ago

i found a way to beat the game with only four items, bow of light, royal guard claymore, savege lynel bow and mighty lynel bow for menu overload

wow thats impressive. but you could get rid of the claymore and both bows. just use the soldiers bow to one hit windblight. Before that get the hylian shield and savage lynel shield from hyrule castle and use the durability glitch. then u can beat the game with savage lynel shield. also items like the runes and paraglider count as items. or i think they should as well as any materials like boko guts or apples. but i think you could beat the game only using the shield cause it does damage. but i dont think that would work

maybe city/town% could work. its quite different from most runs

how about minimum items? instead of low%

Hm, could work. but would it be to identical to any%?
what if you could only use weapons and items as well as food and gear from the Plateau only?