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What Is Citaqualotl's Thesis in PoE 2?

Citaqualotl's Thesis is an Ancient Soul Core currency in Path of Exile 2.
It is not a weapon or armor by itself. Instead, it is an Ancient Augment that you socket into an armor piece to give it a powerful effect.

One important rule comes with it:

All Ancient Augments share a limit of 1.
That means you can only use one Ancient Augment total on your character.

What Level Do You Need to Use Citaqualotl's Thesis?

You must be Level 60 to use it.
This places it firmly in the mid-to-late game, where builds are already taking shape and survivability matters more.

How Does Citaqualotl's Thesis Work?

You place it into an empty Augment Socket on an armor item.
Once socketed:

• The effect is applied immediately
• It cannot be removed
• It can be replaced by another Augment if you change your mind

So yes—think carefully before using it.

What Does Citaqualotl's Thesis Do on Each Armor Slot?

This is where the item gets interesting. The effect depends on which armor slot you socket it into.

What Happens If You Put It on Body Armour?

Effect:
You Recoup 50% of Damage taken by your Offerings as Life

What this means in simple terms:
If your build uses Offerings and they take damage or expire, you get half of that damage back as Life over time.

Who benefits most?

• Minion builds
• Offering-based Necromancer styles
• Players who want steady recovery instead of burst healing

This is a strong defensive option for summoner-style characters.

What Happens If You Put It on Gloves?

Effect:
One of your Persistent Minions revives when an Offering expires

Why this matters:
Minions dying at bad times can ruin fights. This effect gives you free minion recovery without needing to resummon manually.

Best for:

• Persistent minion builds
• Boss fights where minions often die
• Players who want smoother combat flow

It feels small on paper, but in long fights, it saves a lot of stress.

What Happens If You Put It on Boots?

Effect:
Sacrifice 10% of maximum Life to gain that much Guard when you Dodge Roll

In plain language:
When you dodge, you trade some Life for temporary Guard, which helps absorb damage.

Good for:

• Active, dodge-heavy playstyles
• Players confident in timing dodge rolls
• Builds that value Guard mechanics

Tip:
This is risky if your Life pool is low, but very strong if you manage movement well.

Can You Use More Than One Ancient Augment?

No.
Citaqualotl's Thesis is limited to 1 Ancient Augment, and that limit applies across all Ancient Augments, not just this one.

Choosing it means giving up every other Ancient option—so it needs to fit your build perfectly.

How Do You Get Citaqualotl's Thesis?

This item has drop restrictions, meaning it does not drop everywhere.

Known way to obtain it:

• It can sometimes be obtained by modifying a Soul Core with a Core Destabiliser

This makes it:

• Rare
• Somewhat RNG-based
• More of a late-game crafting goal than a farmable drop

If you get one, it's usually worth stopping and planning how to use it.

Can You Remove or Trade It After Socketing?

Once socketed:

• ❌ You cannot retrieve it
• ✅ You can replace it with another Augment

So treat it as a semi-permanent choice.

Is Citaqualotl's Thesis Worth Using?

If your build:

• Uses Offerings
• Relies on minions
• Plays around Dodge + Guard mechanics

Then yes, it can be very strong.

If not, the Ancient Augment limit may make other options more attractive. This is not a “use on every build” item—it's a specialized tool.

Summary

Citaqualotl's Thesis is a powerful Ancient Soul Core in PoE 2 designed for specific playstyles. Its effects change based on armor slot, offering strong life recovery, minion support, or defensive Guard mechanics. Because you can only use one Ancient Augment, it rewards careful planning and build synergy. It's rare, hard to obtain, and best saved for characters that fully benefit from its unique mechanics.