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The Yabbashah Block of Tartarus is where you’ll start to find more difficult enemies than before inPersona 3 Reload. Unlike the Thebel Block and Arqa Block, you’ll need to prepare yourself with some strong armor and weapons, as well as the best party members to exploit each enemy’s weaknesses.
Inside one of the Monad Doors found in Yabbashah, you’ll have the chance to take on the Red Sigil boss. This one has the ability to mess with your team and prevent you from attacking it, so being prepared will be crucial. Here are some tips you may use while in battle.

Where to Find Red Sigil in Persona 3 Reload
You can only find the Red Sigil boss withinPersona 3 Reload’s Yabbashah Block of Tartarus, specifically inside aMonad Door. This can be anywhere from Floor 70 to Floor 92. Monad Doors appear at random, unlike Monad Passages, and there will usually only be one boss here.
Specifically, we found a Monad Door onFloor 88with the Red Sigil boss. You’ll receive a notification at the top right of your screen that will inform you there is a Monad Door on the floor. you may open these without needing to complete previous Monad Doors. There is a chance you’ll come across the Elegant Mother orthe Phantom Mage bossinstead in one of these Monad Doors, so keep searching for other Monad Doors for Red Sigil.

Red Sigil Weakness in Persona 3 Reload
When it comes to fighting the Red Sigil boss, these are all of its weaknesses and resistances to pay attention to:
In this battle, you’ll want to completely avoid using any Fire attacks and instead useIce. A great character to bring for this boss isMitsurusince the majority of her attacks are Ice. She has powerful moves such as Bufula and Mabufu to knock down Red Sigil for anAll-Out Attack.

You’ll also want to keep in mind that Red Sigil will inflict your team withRage, so you’ll want to bring along a character who can heal this status ailment, orbring along a consumable. Yukari can useMe Patra, which will heal the whole team of Rage, along with any other status ailments.
Whenever you’re given the chance touse your team’sTheurgy Attacks, this will also be incredibly helpful to complete the battle quickly. Using these will most likely take out the boss in just a few hits, along with an All-Out Attack. Overall, as long as you have some Ice attacks to utilize, you should be able to beat Red Sigil boss with no problems.
