Monster cores? Gemstones? (2)

"Hey Dean, wanna join us for lunch?" asked one of the officials in the communications room to a blonde-haired man with a crew cut.

"Nah, I still have some stuff I need to finish up," replied Dean, gesturing for his colleagues to go ahead without him.

"He's been acting really weird lately," whispered one of his colleagues as they left the room.

"I know right," murmured another.

'Now where did Anne store those files?' wondered Dean as he entered the required credentials into the main monitor and began searching for the elixir production method.

You see Dean wasn't actually Dean. Unbeknownst to all his colleagues, Dean had actually been killed a few days ago, the person impersonating him right now was a man called Syndren.

Syndren was a spy sent by the Master to infiltrate the government's headquarters and keep an eye on their movements.