A New Mysterous Summon, Undine Butterfly!

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The Undine Butterfly's wings flapped happily and spiritually as they released sparkles of bright azure and blue light, it looked at us and then gave a slight node. It looked down into the titans which Rimuru obeyed to attack it.

"GROOOAR!"

"GROOAN!"

The titans reached it as the Butterfly suddenly disappeared from our sight.

Huh?

Where did it go?

FLASH!

CLASH!

"GRUUUARRR…!"

BOOM!

It happened way too fast, the Butterfly suddenly encompassed itself with water and then swam through the air itself to a speed we didn't perceived, mostly because we were relaxed and not with our complete power unleashed, nor any skill or abilities.

The butterfly sliced through an entire titan in half using its sharp wings, which released blades of water everywhere, its proboscis then pierced its halved body and absorbed all of its mass and essence, boosting its strength.

That was scary to see. Incredible!