In Phantom Castle, a player fights against other players' team. Players can gain points, go to higher floor, and get a rank by winning battles and obtain rewards based on ranking and floor.
Phantom Castle is playable for a certain period. There will be announcement on the in-app news when Phantom Castle is open.
Tier List for Rerolling
Best Way to Reroll
Sasuke Uchiha (Chidori Mastered)
Naruto Uzumaki (Kyuubi Chakra Overflow)
Sasuke Uchiha ( Lone Survivor )
Gaara (Sand Clad Demon)
Gaara (Sand Defense)