"Command spells allow a Master to give an absolute command to their Servant that must be obeyed. This can even empower their actions and make it even mightier than it might otherwise have been. All Masters are allotted three, and the loss of all three indicate the Master's loss of right of authority, although the Servant and Master can still cooperate together in the Grail War should they so choose."

Delacroix frowns thoughtfully.

"If a Magus violates the rules, we are not technically able to directly intervene, but we can instead encourage the others to go after them. It's a poor way to do business, but we are primarily observers."