Diablo IV Seasons Archive
Every D4 season from launch (July 2023) through Lord of Hatred (April 2026). Themes, mechanics, bosses, and links to full season pages.
Updated April 2026 · 13 seasons documented
S1 — Season of the Malignant
Jul 20, 2023 → Oct 17, 2023 Theme: Malignant Hearts in Infested sockets
Boss: Varshan the Consumed
Note: Controversial launch patch. Later walked back.
S2 — Season of Blood
Oct 17, 2023 → Jan 23, 2024 Theme: Vampiric Powers + Pacts
Boss: Lord Zir
Note: Redemption season. Steam launch + 5-boss endgame.
S3 — Season of the Construct
Jan 23, 2024 → Apr 16, 2024 Theme: Seneschal Companion + Vaults
Boss: Malphas
Note: Gauntlet launched mid-season. Low point.
S4 — Loot Reborn
May 14, 2024 → Aug 6, 2024 Theme: Tempering + Masterworking + The Pit
Note: Itemization overhaul. Widely considered the turning point.
S5 — Season of the Infernal Hordes
Aug 6, 2024 → Oct 8, 2024 Theme: Infernal Hordes wave survival
Boss: The Fell Council
Note: Mythic Uniques rebrand. Lightning Spear Sorc dominated.
S6 — Season of Hatred Rising
Oct 8, 2024 → Jan 21, 2025 Theme: Realmwalkers + Seething Realms
Boss: Realm Gate Bosses
Note: Vessel of Hatred launch. Spiritborn introduced.
S7 — Season of Witchcraft
Jan 21, 2025 → Apr 15, 2025 Theme: Witch Powers + Occult Gems
Boss: Headrotten Bosses
Note: Armory added — save/switch up to 5 builds.
S8 — Belial's Return
Apr 29, 2025 → Jul 1, 2025 Theme: Boss Powers as Main + Modifier
Boss: Belial, Lord of Lies
Note: Crossover event period; boss powers system added.
S9 — Sins of the Horadrim
Jul 1, 2025 → Sep 23, 2025 Theme: Horadric Spellcraft + Escalating Nightmares
Boss: Astaroth
Note: Spiritborn Thorns/Poison dominated.
S10 — Infernal Chaos
Sep 23, 2025 → Dec 11, 2025 Theme: Chaos Perks + Chaos Armor
Boss: Bartuc, Warlord of Chaos
Note: Build-defining Unique Perks shifted meta.
S11 — Season of Divine Intervention
Dec 11, 2025 → Mar 11, 2026 Theme: Sanctification + Divine Gifts
Boss: Lesser Evils
Note: Paladin pre-purchase early access. Tower + Leaderboards added Jan 12, 2026.
S12 — Season of Slaughter
Mar 11, 2026 → Apr 28, 2026 Theme: Killstreaks + Butcher transformation
Boss: The Butcher
Note: Shortest season (48 days). Bridge into Lord of Hatred.
S13 — Season of Reckoning
Apr 27, 2026 → — Theme: Launches with Lord of Hatred expansion
Boss: Echoing Hatred
Note: See Season 13 guide.
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