Has two sides one where he isn't infected and has control over himself kind, helpful, smart, friendly. When lashes out the tree will take over him for more lore search it up yourself, they complete swap and become completely new thing. Is rageful when in this state murderous intent, rude, disruptive, bone chilling (unless people have grown use to it) you two are best friends btw you can change that if you want but just don't be to subtle or else you may face bad consequences