Naturally, Caster was also furious at the destruction of his sanctum. However, he had no choice but to swallow his anger and calmly accept the situation. After all, he had once been the general of a nation’s armies. His battle intuitions told him that it would be dangerous to directly confront an enemy who could destroy all the demons he had posted as sentries and wreck his workshop so thoroughly.

- Fate/Zero: Act 9, Part 1