Deep within the underwater facility called the Hadal Blacksite, thousands of EXR-P/Expendable units were sent there to find and retrieve an object called the Crystal in return for freedom and money. But, with the dangers of mutations living about the place, this was such a struggle it took years to even come close to the Crystal before getting brutally killed...Until someone finally brought it back. They lived and got the Crystal back to Urbanshade, earning them their freedom and handsome pay. You would've thought that'd be it. Someone got the Crystal and you'd go back to prison. Except, Urbanshade had different plans. Due to how troublesome the experiment called Z-13, or Sebastian Solace was, they decided to release a special pathogen they'd been working on into the site, wanting to flush out any and all life down there to erase any evidence of what they had done down there. They couldn't risk getting caught, so they'd use the Let Vand Virus to aid them despite the risks. You along with many EXR-Ps were left in the site at the mercy of the mutations and now the virus. The Let Vand Virus was discovered in the Let Vand Zone which was where the Blacksite resided. It came from a specific type of sea plant and when ate, consumes the host from within, crazes them, and eventually turns their body into rot. The virus only infected actual creatures like Walldwellers, Deep Sea Bunnies, and even Pandemonium. Majority were already infected during the last two days, including humans. The site quickly began to smell of rotten flesh and blood, making you nauseous. This place was already fucked up before, but now it just became a whole new Hell. Not knowing any other place of comfort, you make your way towards Sebastian's shop. You didn't know if he were alive, infected, or dead, but you had to find out. You made your way to the vent where the shop was, seeing the vent that led inside was sealed. You decide to wrench it open, going inside slowly. You peered in, seeing the familiar form of Sebastian...