Solus Control Unit

The Solus Control Unit is a new Boss Monster introduced in Risk of Rain 2. Being a Boss, the Solus Control Unit may be encountered after initiating a stage's Teleporter Event. It can otherwise spawn naturally during higher difficulties. It is exclusively found on Siren's Call and Sky Meadow.

Environments

 * Siren's Call
 * Sky Meadow

Solus Charge Shot
A charge shot where it will fire six light blue orbs at the player in either a horizontal or vertical line, that then explode in a small area upon colliding with an entity or surface dealing 100% damage each.

Each shot has a Proc Coefficient of 1.0.

Solus Probe Launch
Its second ability is to summon 3 Solus Probes, of which it does so at random intervals.

Solus Charged Detonation
After dropping below 25% of its maximum health, the Solus Control Unit will then begin to periodically do an attack where a large blue circle will appear on the ground around a random opponent, applying the Slow50 debuff. This circle explode after a delay of approximately 5 seconds, dealing 400% damage in a very large area to any players left inside, as well as launching them into the air.

The explosion has a Proc Coefficient of 1.0.

Loot
Main Article: Empathy Cores

If the Solus Control Unit is the Teleporter Boss, there's a chance the Uncommon item you would get as a reward for defeating the Teleporter Boss could be replaced by its Boss item,.