Melee Arcane Adaptor slot not on weapon

Suggestion on Arcane Adapters warframe how to unlock weapon arcane slot ✓1☆ Amp Arcane Adapter warframe slot bundle If you have 'polarities per config' then having to polarize 6 config could yield that ~30 forma per frameweapon If you have 'formaing unlock

warframe complete starter slot bundle The process is simple: Choose a weapon -> upgrade -> unlock Arcane slots, exilus mod slot, arcane slots, use catalyst reactor etc