The Harbor Citadel of Vhogarra

Lightning tears the sky open and lights the citadel lying broken in two on the cliff above the harbor. Rain scourges the fallen battlements and the sea batters the wrecks in the bay below, where ship's masts jut from the water like grave-crosses. Something in the ruin refuses to die—a greenish light moves behind a shattered window. A soaked fisherman grabs your arm: "No one goes there at night. But my daughter did. Three days ago."

The harbormaster, a woman with a gaze of steel, tells the rest. The storm that split the Harbor Citadel of Vhogarra was no ordinary storm; something came out of the sea that night, and half her people have vanished since. The fortress can only be reached at low tide, across the exposed seabed—and the tide gives you just a few hours before the water returns and cuts off the way.

You cross to the broken citadel and press inside: flooded cellars choked with seaweed, collapsed stairways, halls where the water climbs higher by the hour. You follow the trail of the fisherman's daughter and the vanished guard, find their abandoned belongings and signs of a cult that dwelt here even before the storm—people who worshipped something from the deep and called it up.

The twist: the intruder from the sea is Vhogarra, the Call from the Deep—a monstrosity of tentacles and phosphor-light that reforged the drowned guard into its servants and inhabits the citadel like its shell. The survivors were not killed but transformed, and the fisherman's daughter is still alive—for now. In the climax, as the tide comes thundering back and the citadel floods, you stand face to face with Vhogarra in the half-submerged throne room. Do you defeat it and save the girl before the water rises too high, or must you choose who survives the crossing?