[Script✓] Script tile not activating in Emerald?

[Scragger]

Hi
I'm trying to make an encounter with an Articuno.
In the "Map script" section of Shoal Cave, I have it hide the sprite (which is done successfully, using flag 0x2E)

The issue I'm having is, the script tile (when stood on) does not activate.
I've got the var numbers and everything in that I'm supposed to have, and I'm not sure why it isn't working.

I used var 0x4012 for a previous set of scripts (that take place in a set, unskippable order) and they all work properly. I know I can't use that var for this since the order does not matter.
The weird thing is, if I used 0x4012 for this event- it works after I activate those ordered scripts, which I don't want; I need it to be completely independent.

Any help would be appreciated.

https://i.gyazo.com/810d2c623da29ca0d63cc0dc60970645.png
This is the details of the script tile in advance map.

Here is my script:

#dynamic 0x800000

#org @start
clearflag 0x2E
setvar 0x4013 0x1
checkflag 0x2E
if 0x1 goto @end
checkflag 0x86E
if 0x1 goto @battle
msgbox @notready MSG_KEEPOPEN
closeonkeypress
applymovement 0xFF @away
waitmovement 0x0
release
end

#org @battle
msgbox @ready MSG_KEEPOPEN
fadescreen 0x1
cry 144 0x2
msgbox @cry MSG_KEEPOPEN
waitcry
closeonkeypress
showsprite 0x3
movesprite2 3 0x08 0x09
setvar 0x8004 0x1
setvar 0x8005 0x23
special 0x1FD
pause 0x32
fadescreen 0x0
msgbox @appear MSG_KEEPOPEN
closeonkeypress
cry 144 0x0
waitcry
setwildbattle 144 40 0x0
special 0x13B
playsong 0x1FE 0x0
waitstate
fadescreen 0x1
hidesprite 0x3
fadescreen 0x0
msgbox @defeated MSG_KEEPOPEN
closeonkeypress
setvar 0x4013 0x0
setflag 0x2E
release
end

#org @end
release
end

#org @notready
= You feel a chilly presence...\p...\pBut you are not powerful\nenough to challenge it.

#org @ready
= You feel a chilly presence...\p...\pIt wishes to challenge you.

#org @cry
= Gyaooh!

#org @appear
= An ARTICUNO has appeared!

#org @defeated
= The ARTICUNO was satisfied\nwith the BATTLE...

#org @away
#raw 0x08
#raw 0xFE