※ Disclaimer: Gate 4 is just a term among users. It's still a part of hard mode Akkan's gate 3.

Engravings: Grudge, Igniter, All-Out Attack, Hit Master, Cursed Doll, Adrenaline (333331)
Weapon: Akkan gear +25
Card Set: Light of Salvation +30
Additional damage to demons: 3.74%
Doomsday, Punishing Strike, Explosion, Esoteric Reaction, and Ice Arrow have Lvl. 10 damage gem. Doomsday also has a Lvl. 10 cooldown gem. Other gems are all Lvl. 9.