Trigen Jack has little trouble climbing up the slope of the volcano to the headquarters

At the crater Kriegel's lava utilization system is damaged and an eruption is imminent
Jack escaped before the volcano erupted using blast doors to protect himself from harm He and Valerie use a sailboat to leave the isolated island and the eruption destroys what is left of Kriegel's laboratory Jack treats Valerie with the antidote he has found In the ending animation Valerie looks at a thick folder of documents and two discs tied together labeled "Project Crysis" or "Project Mutant" on the French version of the game