Talk:Life steal/@comment-157.174.221.169-20110120165527/@comment-3067750-20110131182701

Rule of thumb for On-Hit Effects and Abilities. Physical Damage is not the determining factor, just as Magic Damage isn't the determining factor for Spell Vamp etc
 * If it does not state "Applies on-hit effects" in some way, then its safe to assume it won't apply.