In Rainbow Six Siege: Operation Chimera, even Team Rainbow is pushed to its limits. Therefore, Six calls in some of the very best biohazard specialists currently in operation within the world’s elite national CTUs: Lion and Finka. Respectively from France and Russia, these hot zone specialists are experts in matters of biological warfare and veterans of numerous conflicts involving bio-chemical weapons. They are Rainbow Six’s best hope against the dangers lurking in the Quarantine Zone.