Would not be better if the Arbitration mods and Ephemeras (including from the Exploiter Orb and Shadow Stalker) could be bought with Vitus Essences instead of being rewards? Not to mention that
World record Excavation Arbitration - 170 digs : r/Warframe
Warframe Arbitration Alert Guide - Guide Stash
Warframe Arbitrations: Everything You Should Know in 2022
Mission Rewards | WARFRAME Wiki | Fandom
When you see the new Arbitration drop table and realize you can feed your Ayatan addiction : r/Warframe