The item - finished

Redcloacks want you to steal the diamond soul
hazards:
entrance cast spell (somatic password)
landing somatic password
skips the third step
top landing 3rd somatic password
invisible combo lock
3 keyed door
20-cash room 1k gold
avoided spot in the floor (16 on the map)
19-ledgers
18-center of the room on a pedestal
guards between 19 and 18
17-2 blink dogs in special cages

Themes

Heist

Parent Plot

The thing with the Redcloaks