The Boss Cooldowns widget displays the cooldown of bosses you have killed at least once and that are classified as Archfoe (i.e. those with cooldown between 20 and 48h) in the Bosstiary, as well as the following special Nemesis bosses: Ferumbras Mortal Shell, Goshnar's Megalomania, The Last Lore Keeper and World Devourer.

Client Features
Client Sections	Action Bars Automap Combat Controls Console Game Window Reward Wall Sidebars Status Bar Wheel of Destiny
Windows	Bosstiary Compendium Cyclopedia Daily Reward General Controls Highscores Quest Log Social Store
Widgets	Common Battle Bestiary Tracker Imbuements Tracker Inventory Minimap Party List Quest Tracker Skills Spell List VIP Analytics Analytics Selector Boss Cooldowns Boss Cooldowns Damage Input Analyser Drop Tracker Hunting Session Analyser Impact Analyser Loot Analyser Party Hunt Analyser Supply Analyser XP Analyser
Miscellaneous	Framerate Hotkeys Random Hints Trade Yelling