Use relics like Axi L2, Meso F3, etc. Check drop tables for exact locations. Farm void fissures and open those relics. RNG can be rough tho.
Limbo Prime Vault was open recently. Might be gone again for a while.
Relics can still be traded, so hit up trade chat if you’re desperate.
Need neuroptics, chassis, systems, and the main BP. Same as other primes.
Resource-wise, it’s not too bad. Just the relic grind hurts.
Once built, he’s a portal meme machine. Great for trolling or defense missions.