Lola's Eve

Lola's Eve is an epic ring for DPS casters - mages, warlocks, shadow priests, balance druids, and elemental shamans. It is part of The Twin Stars set.

Source
This item is a world drop, which mainly drops from mobs in Karazhan and level-70 5-man instances.

Trivia

 * This item and Charlotte's Ivy are a reference to developer Kevin Jordan's twin daughters.