The Red Stone of Aja vs Akamai: who would win?

The Red Stone of Aja favored — Slight edge (~55%)

The Red Stone of Aja · JoJo's Bizarre Adventure · Maximum Power

Tier

7-A

Attack Potency

Mountain Level+

Speed

Speed Of Light

Durability

Unknown

Akamai · Bionicle · Mata

Tier

7-A, up to HIGH 5-A

Attack Potency

Mountain Level, up to Brown Dwarf Level

Speed

Massively Hypersonic+, up to Relativistic

Durability

Mountain Level

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