Why does my Kuva Bramma have no arcane slot?

If you go to your marketplace and you search for war frame slots, you can see here that you can purchase a slot for 20 Platinum right there But if you don't

To give context Arcane Slots for Primary and Secondaries only get unlocked after Steel Path and now we have the stuff related to it get unlocked

warframe how to unlock weapon arcane slot it says 5 open slots So that's how many open slots I have currently Same thing with your

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