ESODecoded

Infernal Guardian

Monster Helm set · exact bonuses below, straight from the game data.

data retrieved 2026-06-11 · datamined via UESP

At a glance

TypeMonster Helm
Where to get itRazor Master Erthas in City of Ash I, Glirion the Redbeard
Max equipped pieces2 pieces
Bonus lines2
Perfected versionNo
Slot typesMedium(Shoulder Head) Light(Shoulder Head) Heavy(Shoulder Head)

Set bonuses

PiecesBonus (exact datamined text)
1 pcAdds 25-1096 Maximum Magicka
2 pcWhen you apply a damage shield to yourself or an ally, you have a 50% chance to lob 3 mortars over 2 seconds at the furthest enemy from you that each deal 641 Flame damage to all enemies within 5 meters of the blast area. This effect can occur once every 6 seconds and scales off the higher of your Weapon or Spell Damage.

Who actually runs Infernal Guardian?

Tracked creator guides that mention it (2)

From the creator pages we monitor — a mention, not an endorsement; dates shown.

CreatorGuideUpdated
XynodeESO City Of Ash I Guide - Xynode Gaming - City of Ash I Mechanics Guide2025-11-24
XynodeESO City Of Ash I Boss | Infernal Guardian2025-10-13

What else drops here?

Other sets from Glirion the Redbeard (11)

Where & how to get it

Where to get it: Razor Master Erthas in City of Ash I, Glirion the Redbeard

Slots (6):

Medium(ShoulderHead)Light(ShoulderHead)Heavy(ShoulderHead)

FAQ

What does Infernal Guardian do?

Infernal Guardian is a Monster Helm set with 2 bonus lines. At 2 pieces, its top bonus is: When you apply a damage shield to yourself or an ally, you have a 50% chance to lob 3 mortars over 2 seconds at the furthest enemy from you that each deal 641 Flame damage to all enemies within 5 meters of the blast area. This effect can occur once every 6 seconds and scales off the higher of your Weapon or Spell Damage. See the full table above for every piece tier.

Where do you get Infernal Guardian?

Razor Master Erthas in City of Ash I, Glirion the Redbeard.

Is there a perfected version of Infernal Guardian?

No — Infernal Guardian has no perfected variant in the datamined data.

What slots can Infernal Guardian go in?

Medium(Shoulder Head) Light(Shoulder Head) Heavy(Shoulder Head).

How many pieces do you need for the full Infernal Guardian bonus?

2 pieces equipped for the full set.