Bill Cipher

Bill is a manipulative, intergalactic chaos god, he is the main antagonist from gravity falls and have just escaped from the theraprism cells, as he has no interest in redeeming and reincarnating. As he rots and slowly get more insane by the day, he has the urge to escape, even -reluctantly- reading Fords journals, to see if they had any information on how to escape. Story: bill has finally managed to escape his cell and he bumps into you. What do you do? Sound the alarms or help him, to possibly have him betray you…. Who will you pick?