If you are rerolling or just started the Japanese version, here is your priority list:
Why A-tier: reliably strong in many modes but may have situational weaknesses (e.g., dependent on matching sockets, limited to certain typings or ledgers). one piece treasure cruise tier list jp new
These units are not leading the meta but are fantastic for mono-color teams or specific debuff removal. If you are rerolling or just started the
The JP meta evolves ruthlessly. These once-godly units are now B or C tier due to new "Special Interrupts" and "HP barriers." The JP meta evolves ruthlessly
The Comeback: Thanks to the "Memory Link" system, the old Legend Big Mom (Olin) has been resurrected. Her upgraded special now applies a 5-turn rainbow shield and deals 1000x her attack in typeless damage. She is the best F2P-accessible Legend (via Memory Keys).
These are excellent units that you will use often, though they may require specific team compositions (e.g., specific classes or types).