Last updated March 4, 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 assitance.
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 |
| Ardana (Lady of Darkness) | Mumakan - Tanturak - Isle of Ardinaak - Citadel of Ardor - Cavern of the Ritual |
| Arduval (the Stargazer) | Mumakan - Tanturak - Menelcarca - Level 2 |
| 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.
| Relative chance | Encounter |
|---|---|
| Higher | Commander Daurnitir and Commander Aganazir |
| Higher | Brannon Lassi and Brennil Lassi |
| Medium | Angrengamp |
| Medium | Carchmaeg |
| Medium | Malezar |
| Medium | Eglanraug |
| Medium | Quendil Harnastin and Karmarac of Bur Esmer |
| Lower | Sauron |
| Lower | Asruta |
| Lower | Uljunar |
| Lower | Harndagnir |