The tail came free in a shower of ichor and gore, but rather than sticking around, it vanishes the instant it leaves contact with the Esper. A shower of green motes and then it simply vanishes. Cu sags a little, arms pressed to it's belly, but doesn't seem at all put down. Something about it just isn't right though, and it lists to one side.

Gilgamesh, on the other hand, is just fine. And taking advantage of the opportunity he rushes forward with his swords raised up, aiming for that crack.