Last updated March 19, 2026

The Container of Arda (Pure Force) is a rare extra encounter that can appear when certain bosses are defeated. Destroying it releases one of several possible challenging enemies.

Warning: The encounters released from a Container of Arda are very difficult. Newer players may want to leave the container undisturbed or ask for assistance.

Bosses That Can Spawn One

Each boss below has a 5% chance to spawn a Container of Arda when defeated.

Boss Area
Orthir (Mountain Lord) Ered Harmal - Arentaurr - Keep of the Mountain Lord
Gaballol (Uruk-Hai) Gondor - Osgiliath
Gamia Mordor - Mountains of Shadow - Cirith Ungol - Roof
Celedhring (Chilling Silver) Mordor - Plateau of Gorgoroth - Carach Angren - Fuinost Tower - Level 5
Camring (the Healer) Mumakan - Koronande - Jungle
Ardana (Lady of Darkness) Mumakan - Tanturak - Isle of Ardinaak - Citadel of Ardor - Cavern of the Ritual
Arduval (the Stargazer) Mumakan - Tanturak - Menelcarca - Level 2
Smaug Rhovanion - Erebor - The Lonely Mountain - Level 2 - North-west
Balrog of Moria The Misty Mountains - Moria - East Side - 1st Great Hall of Khazad-dum
Veryal en Cimoniemor Yellow Mountains - Stronghold of the Tirdae Kalon - Halls of Veryal

Possible Outcomes

When the container is destroyed, it releases one of the following encounters.

Note: Higher level and number of reincarnated players in the same area will increase the relative chance of the more difficult Container of Arda encounters.

Relative chance Encounter
Higher Brannon Lassi & Brennil Lassi
Higher Commander Daurnitir & Commander Aganazir
Higher Quendil Harnastin & Karmarac of Bur Esmer
Medium Angrengamp
Medium Carchmaeg
Medium Malezar
Medium Eglanraug
Lower Asruta
Lower Uljunar
Lower Harndagnir
Lower Sauron