Ah alright, first time I've ever seen it in the couple of hundred times I did 12-3 now :P
Ah alright, first time I've ever seen it in the couple of hundred times I did 12-3 now :P
I spawned a 24-hour Seed Bearer off of the already heavily farmed 12-5 today. There's no special rule for spawning them, they're just really rare.
(I also booted one of my allies for nuking it.)
The only raid boss that matters in this game is the one called RNG.