Isidor's Key

Isidor's Key is a quest item in Pathologic. It is the key to Isidor Burakh's House.

Isidor's Key is only obtainable in the Haruspex's Route. To enter his family home on Day 1, the Haruspex must kill and loot the guards near the Termitary.

Quote
"The key for the front door of the house where Isidor Burakh used to live."