Shot in the dark, maybe it's something similar to the mice? They apparently don't have an evolution screen when they do evolve. Finizen will probably evolve into Palafin unprompted.
Finizen
Evolutions:
Level: 38
Condition: UNKNOWN_51
Parameters: [0, 0, 0, 0]
Species: Palafin
Tandemaus
Evolutions:
0:
Level: 25
Condition: UNKNOWN_52
Parameters: [0, 0, 0, 0]
Species: Maushold
1:
Level: 25
Condition: UNKNOWN_53
Parameters: [0, 0, 0, 0]
Species: Maushold
