Melee Arcane Adaptor slot not on weapon

Hi all! Today we talk about how to get the Primary Arcane Adapters in the game, rather than

I have steel path, and have used the adaptors before, but there is no slot on any of my melee weapons

warframe complete starter slot bundle New Arcane Slots!!! views · 6 years agomore Warframe Madness 11K Subscribe 18

warframe how to unlock weapon arcane slot Make the most of your growing Arcane collection with five new Arcanes, and an Amp Arcane Adapter that fuses with an Amp to unlock an additional Arcane Slot *