needs max happiness
Dugtrio is the last form of diglett so that means it doesn't evolve.
Dugtrio.
Diglett evolves into Dugtrio at level 26, and instantly learns the move Sand Tomb
Diglett evolves at Level 26.
Diglett evolves into Dugtrio at level 26.
Diglett evolves into Dugtrio at level 26.
Level 26.
level 26
Diglett evolves into Dugtrio, starting at level 26.
Diglett evolves into Dugtrio at level 26.
Diglett does not evolve whoever tried to question this
Yamna does not evolve in FireRed.