The 22 Nights of Terror annual event for Diablo 2 Resurrected brings new gameplay modifiers to the game every day until the event concludes. The event usually starts mid-December concluding at the start of January.
In 2023 the event was announced again by Blizzard and the 22 Nights of Terror daily modifiers are as follows and are a repeat of the 2022 event daily modifiers.
22 Nights of Terror Event Modifiers List 2023
| Date | Gameplay Modifier |
| 13 Dec | Secret Cow Level is terrorized |
| 14 Dec | Terror Zones that change every 15 minutes |
| 15 Dec | +50% Extra Gold from Monsters |
| 16 Dec | NPC vendors offer 50% discount |
| 17 Dec | Double HP for Heroes |
| 18 Dec | Psychical damage dealt by heroes increased by 50% |
| 19 Dec | Bonus health regeneration |
| 20 Dec | 100% speed bonus (movement and stamina) |
| 21 Dec | 100% damage bonus against the undead |
| 22 Dec | Bonus Thorns damage |
| 23 Dec | NPC vendors offer 50% discount |
| 24 Dec | 10% additional experience from Terror Zones |
| 25 Dec | 100% damage bonus against Undead |
| 26 Dec | Bonus 50 magic find |
| 27 Dec | Secret Cow Level is terrorized |
| 28 Dec | Bonus player health regeneration |
| 29 Dec | Psychical damage dealt by heroes increased by 50% |
| 30 Dec | NPC vendors offer 50% discount |
| 31 Dec | 100% damage bonus against Demons |
| 1 Jan | Terror Zones change every 15 minutes |
| 2 Jan | Secret Cow Level is terrorized |
| 3 Jan | Up to 75% boost in Resistance |
