Boruto Uzumaki (Ultimate Ninja) vs Arthur Pendragon (Nanatsu no Taizai): who would win?

Arthur Pendragon (Nanatsu no Taizai) favored — Slight edge (~55%)

Boruto Uzumaki (Ultimate Ninja) · Naruto · Amped by Yachihoko

Tier
4-A
Attack Potency
Solar System Level
Speed
Ftl+
Durability
Solar System Level

Arthur Pendragon (Nanatsu no Taizai) · Nanatsu no Taizai · Post-Resurrection

Tier
4-A, up to LOW 2-C
Attack Potency
Multi-Solar System Level, up to Universe Level+
Speed
Ftl, up to Ftl+
Durability
Unknown

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