Anna (Fire Emblem Heroes) vs Riku: who would win?

Too close to call

Anna (Fire Emblem Heroes) · Fire Emblem · Book I

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Superhuman, up to Massively Hypersonic+

Durability

Complex Multiverse Level

Riku · Kingdom Hearts · KH3D

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Athletic Human, up to Infinite

Durability

Complex Multiverse Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.