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

Execution · Practiced Mastery
A lean souls-like carried by hardened-parry timing and shell selection.

Execution · Pure Mechanics
A deflect-heavy action game won by timing windows and five-phase builds.
Mortal Shell leans Execution (Practiced Mastery); Wo Long: Fallen Dynasty leans Execution (Pure Mechanics).
Wo Long: Fallen Dynasty leans a little harder on execution, though the gap is small.
Mortal Shell
Hardened parry timing demands inputs
Wo Long: Fallen Dynasty
Deflect-centric combat demands precise timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Shell
Scripted bosses
Wo Long: Fallen Dynasty
Scripted bosses
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Shell
Minor item randomness
Wo Long: Fallen Dynasty
Loot rolls minor
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Shell
Shell choice and upgrade routing matter
Wo Long: Fallen Dynasty
Five-phase builds and morale routing matter
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.