Evaporate ink

When the noble presents the documented decision of the Justice for the execution of the charlatan, they talk and chat, as the king crack the seal, and looks at the blank page, he shouts to execute the noble instead for the "joke", confused, the noble gets carried away by the guards, the prisoner laughs while his new cell buddy gets thrown into the dungeon cell.

you evaporate all ink in a 30 ft. sphere.