Permanent Crystals

[Kuro]

Positive:
Very convenient, never have to worry about charges
More guns to put into keys in the long run

Negatives:
Expensive (probably)
Rare (possibly)


Speak to Arvid
Select Rune ritual
Place 10 fully charged crystals
Receive permanent primordial crystal of that type

or

Rune Ritual 10 fully charge crystals
Receive a "super" legendary tier crystal, this holds 100 charges
Receive a special "upgrade" drop from WQ or the event
Combine to create the permanent crystal

or

add to Worm Queen/ Event 1 as a rare drop (this isn't a very fun way)