Electric evolution line

Sparkmon → Voltmon (Lv.30) → Thundron (Lv.75). Evolution is a cosmetic milestone you can accept or decline.

Sparkmon

Lv. 5+ Base

HP 95 ATK 65 DEF 43 SPD 140

Voltmon

Lv. 30

HP 166 ATK 138 DEF 58 SPD 140

Thundron

Lv. 75

HP 295 ATK 270 DEF 87 SPD 140