Magma Barracks

Magma Barracks is one of two possible maps for the fourth level of Risk of Rain. The other possible map is Hive Cluster.

The Sacrifice artifact can be found here. In one variant, the Miner can be unlocked by finding a secret area and fighting a miniboss. This is the only map where the boss Cremator can appear.

Spawns

 * Wisp
 * Bighorn Bison
 * Mechanical Spider
 * Evolved Lemurian

Bosses

 * The Direseeker (mini-boss)
 * Cremator
 * Toxic Beast
 * Scavenger

Map variants
This map has two variants.

Miner
In the right side of the map, at the bottom, there is a tunnel. At the end of the tunnel is the Direseeker, an elite Elder Lemurian. Defeat it to unlock the Miner.

The Direseeker does not spawn once the teleporter is activated.

Artifact
An artifact gate (marked in green) appears at the far left, on the middle level. Three switches (marked in red) are located in the level (see example image). The path at the bottom-right corner is closed.