Marine
Marine General:with higher hp and attack than captain and equip meito
and they will have boss hp bar
Marine Giant:npc-only race,and can use "Hakoku";have boss hp bar
Marine with Shield:just use shield to defend normal attacks such as slash,shoot and punch without haki
Pirate
Pirate Crew:a team spawn on the ground(may just like ambushes,since there is no captain spawn on the ground without spawner)
Pirate Giant:the same as Marine Giant
Great Pirate:the same as Marine General
Pirate Fishman:spawn in the water and attack players(don't destroy the boat plz)
Others
Ancient Giant:much more powerful than normal giant and have boss hp bar either
*those bosses shall spawn nearby randomly based on players' loyalty/bounty