Peace is a Runeword "ShaelThulAmn" in Diablo 2 Resurrected (D2R). It requires these 3 runes to be inserted into a socketed item in the exact order: Shael + Thul + Amn . The eligible bases for Peace are the following: Body Armors . This is the only Runeword in the game that has X% Chance to cast Level X Slow Missiles when struck attribute.
PeacePeaceMage Plate
Shael · Thul · Amn
Defense: 225 - 261
Durability: 60 of 60
Required Strength: 55
Required Level: 29
4% Chance to cast Level 5 Slow Missiles when struck
2% Chance to cast Level 15 Valkyrie on striking
+2 to Amazon Skill Levels
+20% Faster Hit Recovery
+2 to Critical Strike
Cold Resist +30%
Attacker Takes Damage of 14
Socketed (3)
Trade items on d2trader.net

How to obtain Peace

The fastest way to get this item on Battle.net is via trading, you can use the Item Price Checker to see how much Peace is worth.
Another way of getting this Runeword is by farming the runes and the base. Find the drop rates of these items in the Item Database.

Peace bases

The best base for Peace is Mage Plate. Below is a list of all eligible 3 socket bases for Peace.