Empathy Cores

The Empathy Cores are a boss item in Risk of Rain 2, dropped by the.

They summon two friendly, one colored red and one colored green. They will attack enemies near the player with a laser beam, and their damage increases by 100% (+100% per stack) per ally on the team, including themselves. The Solus Probes are re-summoned every 30 seconds if they are destroyed.

Trivia

 * This item's name and the "personalities" of the Probes it summons ("Quiet" and "Delighted") may be a reference to the Personality Cores from the Portal series.
 * The colors of the Probes resemble that of The Twins boss from the game Terraria, a pair of colossal mechanical eyes that are also red and green.
 * The Probes are wrapped in cloth similar to that worn by the, suggesting a possible link between the two.
 * This is especially intriguing given the Heretic's strong resemblance to an, and the Alloy Vultures' relationship with the.