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

Execution · Practiced Mastery
The original Souls game: scripted boss patterns you solve with builds, routes and disciplined execution.

Execution · Practiced Mastery
Dual-world soulslike where boss patterns are studied, not outsmarted.
Demon's Souls leans Execution (Practiced Mastery); Lords of the Fallen leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Demon's Souls
Stamina-timed dodges and parries punish sloppy hands.
Lords of the Fallen
Dodge timing and stamina discipline against bosses
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Demon's Souls
Invasions exist but bosses are scripted patterns.
Lords of the Fallen
Bosses are scripted movesets, not adaptive
Demon's Souls leans a little harder on variance, though the gap is small.
Demon's Souls
World tendency and upgrade drops add mild noise.
Lords of the Fallen
Layouts and drops mostly fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Demon's Souls
Builds, routes and learned movesets are fully solvable.
Lords of the Fallen
Builds, lamp routing, and moveset memorization
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.