Where Sky is Clear and Glory Shines: Guardian Tower

Centuries ago, a lone Gladiator and his servant stood watch in a coastal tower, far from the arenas and deep within the wilderness. Now, the tower bears the scars of the encroaching Dark Tide—weathered, cracked, but still standing, like a gravestone to a forgotten tale.
Recently, a young ecologist has been seen wandering near the tower, drawn by a familiar roar echoing from within...