Silver Oracle

The Silver Oracle (銀の託宣,) is a document of a delegation of authority of the Port Mafia.

Background
It is shown that the silver oracle has been part of Port Mafia.

Description
It is a silver leaf-inlaid Echizen paper and whoever possesses it is granted authority equal to the boss of Port Mafia. It may be shown to anyone who ranks below the five executives and gives them orders, to which they cannot decline. Declining is tantamount to Port Mafia and is punishable by death.

Plot
It was given by Ōgai Mori to Sakunosuke Oda to help him investigate Ango Sakaguchi.