head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Grand Arena
A superhero fighter with gear-based customisation where execution and opponent reads sit atop a deep optimisation layer.

Reads · Grand Arena
A neutral-focused fighter where managing the GRD gauge against an adapting opponent creates a constant strategic tug-of-war.
Injustice 2 leans Execution (Grand Arena); Under Night In-Birth II Sys:Celes leans Reads (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice 2
Supermove confirms and precise character-specific combos demand execution
Under Night In-Birth II Sys:Celes
GRD-boosted combos and precise Chain Shift timing demand real execution
Under Night In-Birth II Sys:Celes leans a little harder on reads, though the gap is small.
Injustice 2
Meter burn mix-ups and opponent tendency tracking are constant
Under Night In-Birth II Sys:Celes
GRD tug-of-war with a human opponent is persistently adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice 2
No RNG; transparent match states
Under Night In-Birth II Sys:Celes
No RNG; GRD state is visible information
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice 2
Gear stat distribution and character sub-archetype selection reward planning
Under Night In-Birth II Sys:Celes
GRD management theory and optimal punish routing are well-documented
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.