Chapter 3 formalises Xavier as MC's partner on UNICORNS Alpha Team. He tests her readiness in an abandoned forest no-hunt zone — the exact zone number is not confirmed in the current wiki — by levitating her mid-air with his Light Evol. They subsequently unlock a Flux Nexus leading into a red, Onychinus-modified Protocore. During or after this sequence, Sylus's mechanical crow Mephisto is watching them — an early signal that Sylus and Xavier are aware of each other.