Michael's eyes brimmed with power and greed and the somber expression on his face told Nika he wasn't bluffing. He did want to become the strongest being in the universe by killing the gods, but Nika did not care about his reasoning or the cause of his desire. Power corrupting hunters was more common than the Cryptid hunting agency liked to admit, but Nika working on the private field for so long allowed her to see it first hand more times than she could count.
"Whatever, as long as you can kick their butts I could care less...," Nika hinting that she was alright with Hathaway killing Tate in such a soft voice was like the calm before the storm. "but you killed our friend and that's something I can't allow!"