knock on wall beside painting

grab painting and lick it

Check the note. Also, hang the "Do not touch" sign around your neck.

scratch "i waz hear" into the painting with the key then read the note

eat the key, choke and die.

Put the key in your ass to save inventory space.

examine the painting scratch it with the key ,touch the sword thingy and look around for some reason

Take sword and slice painting vertically in half.

Stick the lint into the paintings eyes. Then set the bed leg up somewhere and grab and pull the sword out. When the man comes, he will trip on bed leg and then you stab him with spear.

Yeah, go with his pro answer