Top Voted Answer
Only on abilities that outright state that they apply on-hit effects in their description. anilEhilated (Expert) - 5 years ago
Unless the ability alters your basic attack, no.
Spell Vamp is for abilities most of the time (almost every ability not covered by the first line that deals damage). ellis123 - 5 years ago
life steal only works on some physical attacked damage based skills, like Gangplanks Parrrrrlay
But if you say want to use Pantheons spear you need spell vamp.
(just examples) Nes_Lo - 5 years ago
So on your example, no. Sejuani's Q just uses attack damage for its damage calculations, it does not apply on-hit effects, hence no lifesteal. anilEhilated (Expert) - 5 years ago
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