I managed to do a 1 turn clear on this Mythic Hero Battle on Abyssal difficulty
My team for this Mythic Hero Battle Abyssal 1 turn clear
L! Dimitri
Triandra
Duo Lyn
NY! Peony
I didn't expect that a shiny Roselia appeared so quickly and it also has 1k+ CP. This one is light green with Purple & Black roses, the original one has a green color with Red & Blue roses. Previously I caught a shiny Machop