Board Thread:General discussion/@comment-86.168.45.183-20130109105734/@comment-174.44.150.184-20130117162458

You are missing on the fact that Rengar can, at that point, die an no longer lose stacks on his Bonetooth. He could have died multiple times without Kha'zix involved and, with just one autoattack to grab the assist, regain all the stacks and never worry about losing them again.

I'm not saying it's truly balanced, but it's not that out of proportion.