Every single person fighting saw the massive tentacle heading toward them. It was trying to sweep through the densest grouping of Genesis forces. The mother wanted to swat away the enemies trying to destroy her nest and eggs. But she was not going to be able to. The dragons had been waiting. Scylla had been waiting. Their roars of battle and multiple water blade attacks came out of the farther reaches of the ocean to sever the massive tentacle from the mother kraken.
The massive leviathans that were wrapping themselves around the large tentacle and tearing in to them with needle like teeth were just the start of the attacks. When Current showed himself there was a ball of hyper condense water in his maw.