Index Librorum Prohibitorum vs The Silents: who would win?

Too close to call

Index Librorum Prohibitorum · Toaru Majutsu no Index · Base

Tier

10-B, up to 6-B

Attack Potency

Human Level, up to Country Level

Speed

Average Human, up to Sub-Relativistic

Durability

Country Level

The Silents · Doctor Who · Base

Tier

10-B, up to 9-A

Attack Potency

Small Building Level

Speed

Average Human

Durability

Human Level

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