There's some heavy lore in the new Ice Mountain dungeon. There are ghosts spread all around the dungeon that mention something about a war and some Zeah leaders. Use ring of Visibility +
Ring of endurance - OSRS Wiki
How to get Ring of Visibility Back / How to Get Multiple Rings of Visibility - YouTube
Shadow Dungeon - OSRS Wiki
Berserker ring | Old School RuneScape Wiki | Fandom
Tyrannical ring | Old School RuneScape Wiki | Fandom