Winning one battle in Monad at level 65 can boost your level up to 72 in an instant. In Persona 3 FES, you will need to defeat the Reaper at the top of Tartarus in order to unlock access to Monad. It is immediately available if you start New Game+ mode in Persona 3 FES. [1] X Research source
This skill will be essential for ensuring that the enemies don’t get a hit on you.
The shadows at Monad range from levels 88–98, making it a great place to level-grind with instant kill spells. However, failure to get preemptive strikes will also cause your party to die instantly.
“Die for me!” gives an 80% chance to instantly kill shadows via Darkness magic.
In Persona 3 FES, you will also need Ghoul to fuse Thanatos.
Ares + Mithra Naga + Vetala Mithra + Vetala Fortuna + Narcissus + Mithra Pyro Jack + Ares + Narcissus Oberon + Inugami + Vetala
Sati + Genbu Genbu + Oumitsunu Lamia + Vetala Orthrus + Eligor Pyro Jack + Ares + Queen Mab Berith + Yamatano-Orochi + Sati
Orobas + Seiryu Seiryu + Oumitsunu Mothman + Incubus Power + Jikokuten + Orobas Sati + Leanan Sidhe + Incubus Sarasvati + Jikokutan + Eligor
Rangda + Okuninushi Vasuki + Cu Chulainn Koumokuten + Seiryu Taraka + Succubus Ganga + Clotho +Okuninushi Raja Naga + Virtue + Saki Mitama
Pyro Jack + Nigi Mitama Nigi Mitama + Zouchouten Naga + Lilim Archangel + Valkyrie + Pyro Jack Orpheus + Angel + Lilim Jack Frost + Chimera + Naga
If you are playing Persona 3 FES, select Hexagon-Spread Fusion. This will allow you to include Ghoul into the Fusion.
If you used your Orpheus as a fusion element, you can purchase another one from the Persona Compendium. [2] X Research source
You will need to have chosen the correct decision to unlock the “Good” ending for the game in order to get the Judgement Arcana.
Choose to do a normal fusion spread. Select Thanatos and Orpheus as your first and second Personas for fusion. Accept the fusion, and Igor will create Messiah.