Cortex Map Bugged - Phase kept Repeating

I was doing a Kirac Mission and got a Cortex map. I can withstand sirus meteors, I am crit immune, and the only modifiers that could do anything were an AOE mod on this Cortex map. One of the phases kept getting repeated, I would kill the guardians, and they would spawn back more of them and even stronger, after like 6th or 7th time there were too many ground degens and I would die. I know Cortex Fight is long and tough, but unless there are magically over twice the number of phases added this league or last, with some hidden damage modifiers to go over double what Sirus can do, then this fight is bugged.

TLDR: I think the Cortex Boss fight got stuck in One of its phases which would cause the arena to not reset and just consistently keep spawning more and more enemies that made more and more and more ground degens