fragment refinement gives 10 frags its good enough

But you need a lot of other frags to get 10 frags of iruka

Hello!

There's no information yet beyond my knowledge about him being back in the said event but as part of the community of players, we can suggest it by sending feedback through the weekly Events Feedback Forms that are usually posted at News Section of the forums. You can ạlso make a thread at Bugs and Support Section under the category of Suggestion. Anyway, I will take note of this topic and include it in my report as a suggestion. Thank you. :))