A new Nightmare World Boss event has arrived!
Boss: Asklepios (7★)

Event time:
3/6 20:00 - 3/7 20:00(UTC)
3/13 20:00 - 3/14 20:00(UTC)
3/20 20:00 - 3/21 20:00(UTC)
3/27 20:00 - 3/28 20:00(UTC)

Seek out World Bosses, assemble a team to take them down, and bind their powers to yours.
👉 Read more about the World Boss here: https://goo.gl/pm6QgH