Hellmouth are Unique War Gauntlets in Diablo 2 Resurrected (D2R). These exceptional Gloves have a quality level of 55 and a treasure class of 54.
HellmouthHellmouthWar Gauntlets
Defense: 135 - 162
Durability: 39 of 39
Required Strength: 110
Required Level: 47
4% Chance to cast Level 12 Firestorm on striking
2% Chance to cast Level 4 Meteor on striking
Adds 15-72 Fire Damage
+(150 - 200)% Enhanced Defense
+15 Fire Absorb
Trade items on d2trader.net

How to obtain Hellmouth

The fastest way to get this item on Battle.net is via trading, you can use the Item Price Checker to see how much Hellmouth is worth.
Farming it by killing monsters is possible, check the drop rate table below for more information.
It can also be gambled but the chances are very slim.

Hellmouth drop rate table

The monster with the highest drop chance of dropping Hellmouth is Baal on Nightmare difficulty in The Worldstone Chamber of Act 5. Farming the monsters listed below gives you the highest chance of finding that item.

Hellmouth variants

Below is a list with different variants of Hellmouth. See the stats of its normal, ethereal or upgraded variant.