>>49588283No it doesn't. It creates a NEW variant of your forgettable shitmon and then saves the new version.
The only 3 actual cross gen evolutions since Gen 6 have been Kleavor to Scyther, Ursaluna to Ursaring, and Wyrdeer to Stantler.
All 3 are excellent and definitive proof that the practice should have never been done away with. Fuck wishy washy regional branching evos. Give me cross gen evos.