Getting to Siren Isle in World of Warcraft can be tricky ... the Rare coral ancient Brinebough spawns during Storm Weeks. It can also spawn on the western shore of Stormtide Dregs.

You can unlock them as you come across their respective runekeys. During the storm phase of Siren Isle, a rare kraken named Zek'ul the Shipbreaker sometimes floats ashore in the Deadfin Mire of ...