I checked the output G-code file and it still has F{travel_speed} in it... I changed it to F500 and now everything works just dandy!

Thank you so much for the help!

Thank you for the replies!

I am in the middle of a print right now (at the end of which I have to pay attention to manually force the nozzle away from the print to prevent my previously mentioned issue) I will try the suggestions after that.

This potentially undefined variable in the following line confuses me:
G1 Z+10 E-5 X-20 Y-20 F{travel_speed}

Where would "travel_speed" be defined? All I know is that I used this same end G-code when I still had the original tri-gorilla board in the delta and it behaved as expected. Methinks this might be playing a role in my problem, maybe, possibly, I don't know...

All this G-code is making my head spin and I know it isn't even super technical yet...

I do have relative extrusion checked in Cura.

I have searched and read and read and searched but my issue persists. Any help would be greatly appreciated.

At the end of any print the hot end just stops at the last point that it printed and slowly melts into the print. After what seems like a couple of minutes it eventually homes leaving a molten mess where it sat.

I am printing with a Anycubic Kossel Linear Plus with the stock hot end.

My end G-code in Cura looks as follows (I added M83 based on recommendations to what I thought was a similar issue s I am experiencing):

;End GCode
M104 S0 ;extruder heater off
M140 S0 ;heated bed heater off (if you have it)
G91 ;relative positioning
M83
G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+10 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
G28 ;move to endstop
M84 ;steppers off
G90 ;absolute positioning

I also updated to the latest firmware today (wifi and web control also) but it made no difference.

Please forgive me if I missed the solution or am not seeing something obvious. I am not very well versed in G-code yet.