My little brother who is immortal rank is 12 year old and I am trying to help him go pro or improve his career, what can I do for him?

Context: https://imgur.com/a/9Ylg6QA Despite the name, he would be a crocodile. -Class: Sentinel -Basic Ability 1: Gator Teeth A large invisible bear trap that triggers when an enemy walks over it. Deals 30 DoT and slows the afflicted e...

Im best with duelists and sentinels but heard for comp its good to have your second pick be a controller but I suck with them. Mostly with smoking.