The superior leviathan ring is a level 85 piece of jewellery from the Eastern Lands, unlocked through player-owned ports. Its name refers to the Leviathan, a dangerous sea monster. It has a unique ability: a 5% chance per attack to reduce the incoming damage of an attack by 50% (rounded up).
Berserker ring, RuneScape Wiki
Ring of fire, RuneScape Wiki
Seasinger makigai, RuneScape Wiki
Seasinger makigai - The RuneScape Wiki
Superior leviathan ring, RuneScape Wiki
The Magister - The RuneScape Wiki
Ring of snow, RuneScape Wiki
Ring of gravestones - The RuneScape Wiki
Runedate, RuneScape Wiki
Ring of forging - The RuneScape Wiki