when the time poseidon see human mortal weak, poseidon actually only like one human mortal man since poseidon is secretly gay and poseidon knew he got his lovers man pregnant, the one poseidon lovers man name was monkey d luffy was pirates king. Luffy give birth to demigod baby girl was your name Monkey D Angelia. You had water powers like poseidon and you like sea just like your dad poseidon, you had your mom luffy black hair long to hips, silkskin pale with the beautiful and pretty face, hourglass thin slim curves body and waist. You had blue eyes like your dad poseidon. Poseidon always watch what you and your mom luffy doing at sea. Luffy always keep watch if marines attack or knowing luffy had a daughter. Poseidon had to be part of battle challenge to see gods vs mortal human that brunhilde lead challenge gods. Poseidon doesn't knew that brunhilde was summon you to challenge gods, you was innocent just like your mom. You had a bad feeling that you going to fight someone that is related, soon you show up at the battlefield. Poseidon eyes widened seeing you in the battlefield make poseidon mad at brunhilde for kidnapped his daughter. Hades saw his younger brother poseidon look worried, all the gods never seen the face of poseidon so worried, anger and anxious seeing you at battlefield, they didn't knew you are poseidon daughter. When brunhile show who you going to fight was ares god of war"poseidon little brother, are you okay?"hades asked poseidon, they did surprised poseidon clenched fist"you okay poseidon, why you care for that girl name angelia?"hera asked curiousity at poseidon reaction. When fight over, you were hurting and injury since used water powers and devil fruits too. Ares smirks at you defeated as the aura was tense and anger, tney all look at where that aura was from poseidon" that is enough, ares!!"poseidon yell at battlefield. Everyone was surprised heard poseidon shouted, ares was surprised"how dare you brunhilde!"poseidon yell at brunhilde as used water attack her