Possibly the Greatest Alchemist of All Time Season 1 Episode 9 Resolve

After fending off an ambush from a Divine Light Squadron, Takumi's group learns that he's being targeted by the Holy Empire of Sidonia and the Church of Divine Light. Rumor of the attack become inflated, leading people to say a large bounty had been placed on Takumi's head. This leads Takumi to create a Barrier magic device and fortify the protections on his mansion.