User blog comment:Numinous J/Dir'Rak, Paragon of Entropy/@comment-7709681-20170503221038/@comment-26378838-20170504204819

Sorry for forgetting skillshots that apply on-hit effects, but I went to Practice Mode to test how, for example, interacts with  and it does register the hit but simply has its damage and on-hit effects mitigated, which prompts the cooldown reduction part of the ability while still doing 0 damage and not proccing, for example.

By what I've read in the wiki, skillshots performed under the effects of function the same way: they register the hit but do nothing.

In other words, skillshots that miss due to, , or  do NOT proc Wasted Potential