This seasonal content update for Diablo IV, released on July 1, 2025, introduces a new chapter in the ongoing saga of Sanctuary. Designed for PlayStation 5, PlayStation 4, PC (Microsoft Windows), Xbox Series X|S, and Xbox One, this installment focuses on the emergence of ancient evils and the forging of new alliances. Players will experience a fresh narrative that delves into the history of the Horadrim, a legendary order, and confronts a resurgent demonic threat.

The core gameplay remains rooted in the hack-and-slash and beat 'em up genres that define Diablo IV, emphasizing visceral combat and character progression. This season's narrative is presented through a new Seasonal Questline, inviting players to uncover the secrets of the past and engage with its unfolding events.

Story and Setting

The narrative of this season centers on the resurgence of old enemies, specifically the demon Astaroth, who is poised for a destructive return to Sanctuary. Players are tasked with unearthing and cleansing Blood Relics, artifacts corrupted by Astaroth's influence, as a means to thwart his malevolent plans. This questline offers a deeper exploration of Sanctuary's lore, focusing on the legacy and secrets of the Horadrim.

New Gameplay Elements

A significant addition to the gameplay experience is the introduction of Horadric Spellcraft, a new system that allows players to wield powerful abilities tied to the Horadrim. This season also brings substantial, permanent updates to Nightmare Dungeons, impacting both the Seasonal and Eternal Realms.

Endgame Content and Progression Updates

The enhancements to Nightmare Dungeons include the addition of new Horadric Strongroom micro-dungeons, offering concentrated challenges and rewards. Furthermore, players will encounter Escalating Nightmares, a new endgame progression system that increases difficulty and introduces new Nightmare Dungeon affixes. These affixes are designed to alter combat encounters and strategic considerations, providing ongoing challenges for veteran players.

What are the key additions to Nightmare Dungeons?

Key additions to Nightmare Dungeons include the introduction of Horadric Strongroom micro-dungeons and the new Escalating Nightmares system. These updates also bring new affixes to existing Nightmare Dungeons, altering gameplay mechanics and difficulty.

Seasonal Structure and Narrative Progression

As a seasonal update, this content represents a distinct chapter within Diablo IV's larger episodic structure. It introduces a self-contained story arc that players can engage with during the season's duration, while also contributing permanent gameplay enhancements to the overall game. This season's narrative can be seen as a middle chapter, building upon the established world of Diablo IV and setting the stage for future developments.

What is the main focus of this season's questline?

The main focus of this season's questline is to unearth and cleanse Blood Relics corrupted by Astaroth's influence, thereby preventing his return to Sanctuary. This involves delving into the secrets of the past and understanding the legacy of the Horadrim.