D
"Polychrome Tri-Stars"
Duelist: Series I
V5.0
20
Information
Defeat the Polychrome Tri-Stars within 10s of defeating the first member.
Time Gated: Yes
Comment
You can get the achievements in co-op, but it's time-gated otherwise. | For example, try keeping all of them at around the same %age of HP at all times/once they are left with only around 20% HP.
