Evolution line
This is the full evolution tree of Grubbin — every stage, every branch and the condition that leads to the next form. The line has 3 forms.
Start of the line
Stage 2
From Grubbin
Level 20
#737
Charjabug
Stage 3
From Charjabug
Level up, at Vast Poni Canyon
Level up, at Blush Mountain
Use Thunder Stone
#738
Vikavolt