Yggdrasil

 is the twentieth level of Tomb Raider: Underworld.

Walkthrough
See Yggdrasil Walkthrough

Weapons Found

 * None

Allies Encountered

 * Amanda Evert

Enemies Encountered

 * Viking Thrall
 * Yeti Thrall
 * Jacqueline Natla
 * Doppelganger

Locales Visited

 * Arctic Sea

Secrets

 * 1x Treasure
 * 1x Relic