Slay the Spire 2 Relic

Symbiotic Virus

Symbiotic Virus is a Uncommon Relic relic from the defect pool. At the start of each combat, Channel 1 Dark.

Rarity: Uncommon Relic
Pool: defect
Merchant range: 191-259 gold

Relic effect

At the start of each combat, Channel 1 Dark.

Run value

Evaluate Symbiotic Virus by when it appears, how often its effect triggers before the next boss, and whether it changes routing or shop priorities. The strongest relic is often the one that solves the deck's immediate weakness, not the one with the highest theoretical ceiling.

Related strategy

Compare this effect with the relic guides and current patch coverage before making a build-around decision.