User blog comment:DeathGodPrayer/Talk About What You Want!/@comment-213.106.131.123-20131030114337/@comment-213.106.131.123-20131030130235

In the Volume 16 spoilers it mentioned that Rizevim Livan Lucifer can negate Sacred Gears, that leaves Issei basicly useless, wouldn't learning how to wield Ascalon make sense, it's also the one of two power-ups that isn't that far fetched, other being Complete Dragonification (transform into a small Ddraig/Great Red hybrid thing)?