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.

Optimization · Pure Optimization
An ARPG-MMO blending action execution with brutal gear optimization.

Optimization · Pure Optimization
An MMORPG dominated by theorycraft, gear math, and rotation execution.
Lost Ark leans Optimization (Pure Optimization); World of Warcraft leans Optimization (Pure Optimization).
Lost Ark leans a little harder on execution, though the gap is small.
Lost Ark
Action combat demands mechanical precision
World of Warcraft
Rotation APM and mechanics matter in raids
World of Warcraft leans a little harder on reads, though the gap is small.
Lost Ark
Raid bosses are scripted
World of Warcraft
PvP arenas have light read element
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Lost Ark
Honing and gear RNG is notorious
World of Warcraft
Loot tables and crit RNG present
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Lost Ark
Build, engravings, and rotations near-solved
World of Warcraft
Gear, talents, and rotation are mathematically solved
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.