Well if you want it to be one of your party Pokemon it should be level 30+ if not any is fine.
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it will evolve at lvl 25
Lvl. 20
when angy is LvL.25 it will evolve into Archangy and when Archangy is LvL.46 it will evolve into Seraphy
prinplup will evolve at lvl 36 into an Empoleon Hope i helped =)
you evolve weedle at lvl 7 to kakuna then at lvl 10 kakuna evolves to beedrill at lvl 10