Fugue (5-Star Fire Nihility), Jiaoqiu (5-Star Fire Nihilty), Acheron (5-Star Lightning Nihilty), Pela (4-Star Ice Nihility), Gallagher (4-Star Fire Abundance), Lynx (4-Star Quantum Abundance) Phase 2- ...

Since most of Mydei’s abilities in Honkai Star Rail scale with HP, Bone Collection’s Serene Demesne is ideal for him. The 2-piece Planar Ornament set boosts its wielder’s HP and CRIT DMG ...

If you don’t have Aglaea, you can use the usual Acheron Hypercarry team featuring Acheron, Pela, Jiaoqiu/SilverWolf, and Aventurine, with the aforementioned buff.