The yuumi "nerfs" are a joke
Buffing the least interactive part of her kit while lowering the only part that requires interacting with enemies and she rises 3% in WR instantly overnight while being even more cancerous at higher elos
Remove this impossible to balance untargetable damageable mechanic from the game and make her take a portion of her anchor's damage already. She is always going to be either completley useless or broken beyond belief because her power revolves entirely around being a stat stick.