Highest of each stat?

https://feheroes.gamepedia.com/Stats_Table

HP: Zephiel
Attack: Effie
Defense: Draug
Speed: Lon'qu
Resistance: Wrys

HP: Zephiel - 55
ATK: Effie - 40
SPD: Lon'qu - 39
DEF: Draug - 39
RES: Wrys - 36

All stats are assumed to be neutral. They can potentially go higher with boons.

Zephiel
Effie
Lon'qu
Draug
Wrys

Hp - Wrys
Atk - Wrys
Spd - Wrys
Def - Wrys
Res - Summer Wrys