The entire existence of this new, now canon spell of Ellen's that she's unlikely to ever actually use in canon (short of fun with friends) is owed to the fact that I didn't want to end this comic and, indeed, this part of Sister 3, on Elliot clearly showing his abandonment forever of this immortal involvement idea.
But yeah, that spell's canon now. DEAL WITH IT.
I rarely go with four rows of panels, but I tried to do the layout for this comic with only three, and it was a nightmarish nightmare of nightmarish proportions. I really need to keep in mind that this is an option when dealing with eight or more panels.
And now, prepare yourselves, for next is Part 16, and it has the most ominous title of any part of this story arc: