×guard on the force arrow, sword NE, kegs block rotation and stepping forward, aumtlich block diagonal steps. But how does he get there? If the kegs are already in place, he won't path through the trap, and if they aren't, he will immediately escape once I activate the arrow.

×* Place the kegs in their final positions.
* Get both aumtlich frozen on the mirrors, the east one in his final position, the west one one tile NE of his final position.
* Lead the guard in between the aumtlich beams and close to the mirrors.
* Get NE of the guard (making him rotate and disturb the aumtlich for one turn).
* Use the "Keep off the grass" wiggle to get outside the aumtlich beams, then approach the NE corner.
* Step on the plate the turn after the guard steps on the arrow.

×
Holds:
Nanfro Budkin's First Dungeon,
The Puzzle Catacombs
Graphical Mods:
Power Station (AE)

×the guard has five possible moves: NE (4 moves from Beethro), W (6), S (6), Wait (5) and SE (5). He would choose the lowest-valued move, NE, but that's ruled out. Between Wait and SE, he prefers Wait because of his directional preferences (see the scrolls in Cerebral Testing Facility 1N1E).

×is that the guard is on the force arrow, which is a brain-visible obstacle (the pathmap treats it as a wall), so now the guard has only four possible moves and will prefer SE -- unless that's blocked by the second aumtlich.