Talk:El Quixote "Golden Age!"/@comment-28742975-20161119040002/@comment-27282915-20161119060851

Yeah, Azi Dahaka's ability was poorly worded. The Japanese version has a Q&A (you can check it out here) that basically says it's optional.

Considering that the anime also demonstrated it as optional, it's safe to say that, for all intents and purposes, Azi Dahaka's ability is a "may" ability.