head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
A fantasy JRPG whose infamous equipment fusion system dominates its skill test.

Optimization · Pure Optimization
PS1 JRPG whose turn-based combat hinges on timed attack combos.
Tales of Zestiria leans Optimization (Pure Optimization); The Legend of Dragoon leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Tales of Zestiria
Armatization combat needs timing but forgives sloppiness
The Legend of Dragoon
Addition combos demand precise button timing every attack
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Tales of Zestiria
Scripted hellion AI never adapts
The Legend of Dragoon
Enemies follow fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Tales of Zestiria
Equipment skill randomness obscures ideal gear briefly
The Legend of Dragoon
Standard encounter unknowns
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Tales of Zestiria
Skill-fusion equipment stacking is a notorious optimization rabbit hole
The Legend of Dragoon
Dragoon management, additions, and item strategy
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.