while alongcameeric is waiting for your choice you pointed at the birch plank. alongcameeric-huh why is there a birch plank wall there behind our toilet that's not suppose to happen! so you and alongcameeric investigate the plank while alongcameeric is having trouble pushing the toilet out of the way. alongcameeric-um can you help me? so you help alongcameeric move the toilet while the plank fell and it revealed some sort of vent. alongcameeric-looks like there is a vent which lead somewhere well i don't want to go in but do you want to then i will follow so yes or no?

enter the vent

keep diging