Legacy: Path of the Splicer I — Step 7
Use the Splicer Servitor upgrade subscreen to improve your Splicer Gauntlet using Decrypted Data.
Decrypted Data can be found in locked chests in seasonal activities and by completing seasonal challenges.
Mithrax can use the Splicer Servitor to improve your Splicer Gauntlet, granting you increased power over the Vex domain.