C1028 Berserk

"That's right, it is indeed the Berserk Thunderstorm. I had previously gathered this in a different secret realm, and the production method in this berserk hall is more complicated than it is now, so the power is also much stronger. I had just used a double technique and faked my death two times just to think of a way to approach you.

"From this, I can use this to injure you