#Plus adding a surveillance system so he could watch potential invaders fight the monkeys

[creative-type]

I love that there are advancing levels to Fowlers boredom while spending 10 years cooped up in his private castle. In addition to planning a hostile takeover of Japan he

Learned to paint

Set up a sex/torture dungeon that involved him getting pegged on the regular

Trained monkeys to throw hallucinogenic dust at people, so that potential invaders would have to fight though the heavily armed, super booby trapped castle while tripping balls