Essentially, I'd like to use an unfinished archon for my purposes.
None.
This may or may not be the route you want to take because it can take up time. If you also want to use a count down timer to ward of players who are not paying attention you could also do that. Just remove the Protoss High Templars that are not melded by the time the count down timer has expired.
Ultraviolet -- That's strange, it looks like you targeted the base image file (sometimes people make the mistake of just using the imgur page link which doesn't work for embedding) but it still didn't work it sounds like.
NudeRaider -- I think SEN has trouble with https or hotlinking is forbidden. It certainly is nothing about the size, it just fails to get any size. You can get it working if you use imgur and include the actual image link for the img tag. Like this: [img=https://i.imgur.com/ddYqXZa.jpeg]
Oh_Man -- tthen u come to SCBW and it's like - upload WAV, play WAV.... sigh why cant it be that easy