This post is from a low-reputation account and contains an unverified outbound link. Be cautious before clicking external links.
These are Legion invasions that occur in Azsuna, Val'sharah, Highmountain, and Stormheim. In these invasions, players will complete demonic World Quests and then defend a notable area in each Broken Isle zone, like Thunder Totem. This culminates in a special group scenario where you fight a Legion Command ship.
▶️ DTube
▶️ IPFS