Talk:Viktor/@comment-101.103.129.174-20120628093322/@comment-50.99.190.119-20120628115338

It's an odd combination of things. Gravitational Field applies a special debuff when it slows. When it reaches three stacks, the unit is stunned. However, Yi is immune to slows, so he can't accrue that debuff. Since it doesn't build up to 3 stacks, he's never stunned.