The bot is a Mercenary Kruber in Righteous Stand - Champion. The human player that previously got the grim has left the game at the yard outside the Temple of Sigmar. The bot got rid of the grim after he was helped up after being downed inside the Temple of Sigmar as we were fighting in the “survive” event. He was on his last “gray” life. The chat log showed this message: “System: Markus Kruber discarded a Grimoire.”
Attached is the console log and the screenshot. In the console log, line 4216 is where it says the chat log of the bot discarding the grimoire: “14:28:33.679 [Lua] [ChatManager]System: Markus Kruber discarded a Grimoire”. In the screenshot (the bot Kruber has already healed himself after being downed at this point):.