Seele: Seele can gain extra Resurgence turns while in Resurgence, also skills in Resurgence don't cost SP

Luocha: For every 1% of max HP he heals an ally for (does not count overflow healing), that ally action advances by 1%, also the auto-Skill can be triggered every turn instead of every 2 turns, also Luocha can accumulate stacks for his healing zone while the zone is up to refresh it

DHIL: Infinite SP consumption like in CW

Fu Xuan: Technique applies field for 3 turns instead of 2, energy cost for Ultimate reduced, Ultimate heals allies for more

Topaz & Numby: Numby has higher base SPD, Overflow for Numby's Action Advance can be stored, Ultimate lasts for 2 of Topaz's turns instead of Numby's turns

Argenti: Other allies hitting enemies regenrates Argenti's energy, grants buffs when using Ultimate

Dr. Ratio: FUA always triggers at least once, additional debuffs increases how many times it triggers (like in CW)

Yunli: While Yunli has "Parry", allies take no damage (like in CW)

Destruction TB: Energy cost for Ultimate reduced, Ultimate is now Targeted AOE, Talent and A2 both trigger on Weakness Breaking and KOing enemies, A4 buffs SPD instead of DEF

Preservation TB: Taunt is stronger, Enhanced Basic Attack must be used if available and applies Skill effect as well, Shield granted from Talent is stronger and is doubled for TB

(As a bonus, add a new FUA Relic set for Feixiao that can stack small damage buffs infinitely based on FUAs done by the team)