Originally Posted by
Momo_Kozuki
You cannot hope stat squish to suddenly increase the duration of 15 minute raids into 30-minute ones without increasing the reward. People will obviously riot. Even if implemented, I say, at best it would be 20 minutes, and people would still cheat ilv to get into Crystal Tower series, because the mech of the lv50 raid is very basic and easy to deal with (people run them for so long that they can just do the mech with eye closed, unless the raid is full of sprouts), compared to more elaborated ones in higher levels.
Also, make bosses more spongy have nothing to do with difficulties. You're likely to see more mech, yes, but those extra mech won't be deal-breaking ones. It only means it take longer for you to kill bosses, which already takes too long to die.