When you die and come back as a ghost your non-fatal injuries sustained in life don’t heal. 

Yes the dream bubbles are only for the ghosts of dead sburb/sgrub players. Meenah just sort of appeared in a bubble after she died. 

Grandpa used the portals found in the Frog temple on his island to enter the Medium sometime before he died and before the session started. Because the Medium’s timeline started when John entered, Grandpa was sort of traveling in the future. He took Jade’s dream body back through the portals to Earth and stuffed it. 

They would’ve found themselves in the kid’s universe.

Yes the Beforan trolls had the four quadrants as well. They have stated in multiple flashes that they experience the full four types of troll romance. 

Most of the time I remember key phrases used in those conversations pertaining to the ask and search mspaintadventures for those phrases. Or I check the wiki to make sure.

Bro is trying to initiate the Scratch which is caused by physically scratching the Beat Mesa.

That would be because WV wasn’t dead, only fatally wounded. Feferi doesn’t have the ability to revive the dead.

Caliborn is from the future of the Alpha kids’ timeline, his existence is dependent on them creating a new universe explained by Aranea here.  In the Pre-retcon Game Over timeline everyone dies and they never create a new universe so Caliborn never hatches.  And yes he was present early in the story before the retcon happened but he was always in the far off future.

You mean Liv Tyler (different bunny) the one given to John that had the warhammer of zillyhoo.  The other three weapons it had weren’t trickster weapons