My Neuvi doesn't work

Like I guess he have good build. But he does shitty dmg. Like 15k/20k. I want him to do like idk. 40k :C
I have good team for him and everything but he just bugged idk or I play him shitty, but idk. Maybe something is wrong with me....

https://preview.redd.it/oa8tbv91yw4e1.png?width=1885&format=png&auto=webp&s=0738dd396e89537e0d96027fd0fc9eed47596375