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AlthoughPersona 3 Portablewon’t require you to go into the large white door beside the entrance to Tartarus to tackle the ten bonus floors of the Monad Depths, we can’t recommend enough that you try. This stretch of Tartarus is larger than the other floors, though, and the enemies’ strength leaves little room for error.
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However, those strong enough to brave these extra floors will be rewarded with more EXP and loot than you may even know what to do with. For all the help you’ll need unlocking Monad and reaching the end, follow along with our guide below.
With Monad being an extra feature to which you likely won’t have access until late-game, beware of spoilers for Persona 3 Portable ahead.

Unlike the other blocks of Tartarus, Monad is not unlocked on a set date or by story progression.
To unlock access to the Monad Depths, you’ll need to accept and complete one of Elizabeth or Theodore’s Velvet Room Requests.

The request you’re looking for isnumber 53, in which your Velvet Room attendant is in search of aBloody Button. This can be obtained only bydefeating The Reaper– which is definitely no small task.
The Reaper can spawn onany floor of Tartarusby simplybeing on that floor too long. The duration changes depending on the size of the floor, but once yournav person tells you they sense Death, it means you’ve gotabout30 seconds before The Reaper spawns.

However, The Reaper isLv. 99who knows the heaviest version of every magic spell, as well as break spells to make sure those moves hit your party. And since it’sstrong against every kind of magic, you’re in for one hell of a battle.
We’ve got a full guide totaking down The Reaperif you need some help with the long and complicated battle, containing a full affinity chart and strategies.

After finishing this daunting battle,return the Button to your attendant. When you return to the entrance to Tartarus after the quest is complete, you’ll see alarge white door to the right of the entrance to Tartarus.
Build a party like normal andinteract with the white doorto enter Monad.

However, when you go in, know thatthere aren’t teleporterslike there usually are in Tartarus. You have tostart from the beginning of Monad each time.
Inside the Monad Depths in P3P, you’ll find surprisingly little variation in shadows, with only12 unique shadowswithin the block, and theyall spawn on every block.

The crux of this is that theyrange in level from Lvs. 88-98. Not only that, but once youpass the halfway pointof this block,shadows will appear in greatly varied groups.
This willdampen the effects of multi-target attacks, as they’ll often have opposite affinities. You’ll need to constantlyask Fuuka for analysisto be sure you’re not wasting an attack or healing the enemy.
Explanation
Str
This shadow is strong against this element, and attacks of this element dealless damage.
Wk
This shadow is weak against this element, and attacks of this element dealmore damage.
Rep
This shadow will repel attacks of this element,reversing the damageonto you.
Nul
This shadow will nullify attacks of this element, and as such, they dealno damage.
Drn
This shadow will gain health from attacks of this element, so attacks of thisheal the shadow.
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Affinities and Weaknesses
88
89
90
92
93
94
95
96
97
98
69
74
Skadi
80
Tofinish filling out your Compendium, you’ll need toperform some fusions, as you’ll still be missing several entries even if you’ve collected every Persona from shuffle time throughout Tartarus.
They’re largelymaxed social link Personasfrom here, which require the completion of an arcana’s social link before you’re able to access the Ultimate Persona of that arcana.
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While the treasure chests, both regular and rare, inside the regular section of Tartarus are pretty randomized, theitems you’ll find throughout the Monad Depthsare located onspecific floors.
No more will your teammates eagerly present you with Dis-Rage - the loot in the Monad Depths in P3P is allpowerful weaponry, armor, and accessories, and there’ssomething there for everyone in SEES.
From2F-9F, you can findthree items per floor,which won’t vary. However, once you reach5F, the items begin to repeat on6F, just inreverse order.
2 and 9
3 and 8
4 and 7
5 and 6
Hallowed Boots
Male Footwear
Depending on when you tackle Monad, this gear may be significantly stronger than what you’ve got, so be sure you’realways checking your team’s equip screento see if you can offer a new boost of some kind as the game grows more difficult.
What’s At The End Of Monad?
With the Monad Depths being an option bonus block of Tartarus, you’ll find no ties to the main story at the end like you would a regular block.
Instead, for reaching the end, you’ll be rewarded with¥1,000,000, as well as with the opportunity tofight The Ultimate Opponent.
If you are playing onNG+, Monad opens on4/22.Whileyour protagonist’s level carries over, unfortunately, the same is not true of your teammates.
However, if you’re of a high enough level when Monad opens, bringing the team through there and being your primary attacker (sinceyour Compendium carries overas well), Monad isa great place to grind in NG+.