head to head
vs
Aion 2vsFallout 76
Aion 2 leans Optimization (Practiced Mastery); Fallout 76 leans Optimization (Pure Optimization).
Aion 2Fallout 76
Axis by axis
Execution5 vs 4
Aion 2 leans harder on execution: Action combat and aerial gliding demand real piloting
Reads4 vs 2
Aion 2 leans harder on reads: Large-scale PvP rewards predicting enemy groups, diluted by numbers
Variance2 vs 3
Fallout 76 leans harder on variance: Legendary and event loot rolls
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.