Title says it all: Musashi in Heroic Souls on March 18!

5-star:
Musashi
Hallowed Eddie

4-star:
Gunner Mayan Priestess
Red Troll
Sentinel Soulless Demon

3-star:
Warrior Ox Warden
Magus Demon Spawn
Sentinel Newborn of Light
Gunner Dog
Assassin Corrupt Droid