Interlink

Interlinking is an ability in Xenoblade Chronicles 3. It allows an Ouroboros or Moebius from opposite nations to fuse together to form a stronger single entity.

As a gameplay element
Interlinking becomes available during the battle with Consul K; initially only Noah can Interlink with Mio. After defeating Consul K, Lanz and Eunie gains the ability to Interlink with Taion and Sena respectively as well. After defeating the Lambda Ferronis, Mio, Taion, and Sena can Interlink with Noah, Eunie, and Lanz respectively.