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Viserio Cooldowns
Free raid cooldown planner
Plan your raid's healing and defensive cooldowns. Browse top-ranked Warcraft Logs cooldown usage, build your plan on a visual timeline, export it to your in-game addon, then compare your logs against the plan after the raid. Covers the current raid tier, actively maintained with frequent updates.
Hover a feature to see what it does
News & Changelog

6/22/2026•
Releasev5.5.0: Curio AutoComp and Curio AutoAssign
Curio AutoComp builds your raid setup and Curio AutoAssign fills your per-boss assignments for you: loot, buffs, roles, and jobs worked out automatically across Midnight Season 1.
6/28/2026•
FeatureYour raid planning is now organized around the raid week. The Planning Hub opens on a season-long timeline where each week shows its plan and how ready it is, you carry last week's cooldowns and assignments forward in one click instead of rebuilding, and you can link a plan to a specific night on the calendar.
6/28/2026•
UpdateWe went through your AutoComp feedback from the first week. You can now set the calls AutoComp can't know on its own (per-boss healer and tank counts, fair bench rotation, who wants in), the cases where it stranded a player are fixed, and big alt-heavy rosters solve faster.
6/27/2026•
BugfixFixed an issue where linking a Cooldown or Assignment page to a new setup left it still referencing the old setup it was linked to. New links are now clean. Pages that already had the issue won't fix themselves, so just unlink and relink them on your setup.
6/24/2026•
UpdateExpand a comp on WCL Top and you now get its cooldown timeline, with each player's cooldowns on a shared axis grouped by role. Raidplan display settings are now shared wherever you see a raidplan, plus fixes for name capitalization, the duplicate-spec badge, and sticky item tooltips.