During the period of changing tides twice a month, Poseidon's children have a small [in fact, just huge, save yourself who can].... a shift resembling menstruation.
their skin turns pale and becomes covered with a thin layer of scales, they also experience symptoms such as increased appetite, emotional instability, bone aches, body pain, inability to move, apathy, irritability drowsiness and much more.
this condition usually lasts 4 days or a maximum of a week.
ok that's cool but it gives me a slightly different idea:
poseidon's children change with the tides.
a spring tide is called a King Tide. the waves spring forth, grow in power and size. high tides are larger, hit harder; low tides are smaller, more gentle. there is more variation between the highest highs and the lowest lows. the sun and moon work in tandem to push the sea.
during a spring tide, poseidon's children are louder, more boisterous, more confident. they are always natural leaders, but during spring tides, it's easy to imagine them born to lead, leaping from the womb to the battlefield in little less than a breath. they sleep deeper, more restfully, and their circadian rhythm syncs with the low tides. nothing can touch a child of poseidon during a spring tide. nothing can bring them down. they could be immortal, gods themselves, powerful and inspiring and strong.
a neap tide happens not long after. the sun and moon are at odds, pulling the waters in different directions. the highs and lows don't vary as much, stay closer to baseline. the ocean is more moderate in temperament.
neap tides result in the children of poseidon acting more docile. the oceans are calmer, and they reflect it. it's harder to rile them up, harder to upset them, harder to make them laugh uncontrollably. it's harder to see them as a leader, a general, rather than a cold, calculating strategist. could they really be both? they sleep differently, shorter amounts more often; train differently, more geared toward endurance than speed; plan differently, more reserved and reactive than offensive and explosive.
a tsunami sees poseidon's children at the height of their power. it's as if they've forgotten they were ever mortal. the ocean recedes, preparing to swell to colossal sizes, and poseidon's children grow quieter with it. anticipation buzzes in their veins, excitement keeps them unable to be still. the closer the tidal wave gets the more they seem to grow, their presence almost overwhelming, their laughter too much for their lungs, their words to loud for their mouths, their actions too sharp and jagged and powerful to be human. they look like gods; they look like monsters.
they could be either.
