Zekvir’s Lair is the 13th secret delve available in The War Within Season 1. Find out more about how to unlock it and the rewards you can claim!
In the Beta, unlocking Zekvir’s Lair required players to complete the Delver’s Journey for Season 1. However, this isn’t the case on live servers.
Zekvir’s Lair Difficulties
Zekvir’s Lair comes in two difficulties. “Tier ?” unlocks when you complete any Tier 8 Delve with revives remaining. “Tier ??” becomes available when you complete any Tier 10 Delve with revives remaining.
Zekvir’s Lair Rewards
The seasonal secret delve offers various rewards for you to claim!
Upon completing the Zekvir, Hand of the Harbinger delve quest, you will get the 
Toxic Victory toy, but it doesn’t end there!
Defeating Zekvir in his lair before the release of the next season of delves will give you the 
Nemesis achievement and the 
Zekvir’s Raptorial Spine cloak.
For 
Hunting the Hunter, you must defeat Zekvir in his lair on Tier ?? before the release of the next season of delves to receive the Ascension Breaker title.
Finally, if you defeat Zekvir on Tier ?? before the release of the next season of delves ALONE, you will get the Let Me Solo Him and the awesome 
Delver’s Dirigible Schematic: Void for your Delver’s Dirigible!
If you don’t kill Zekvir, don’t worry, you will get the 
Heavy-Handed achievement when he kills you.
Fighting Zekvir
Below is a video covering the fight against Zekvir in his lair. The player fighting the boss notes that there is a lot of RNG involved in the fight. Check out the video to see Zekvir’s abilities in action and prepare for the fight!