UNDERTALE Asriel Dreemurr Cosplay!

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Introduction: UNDERTALE Asriel Dreemurr Cosplay!

In this instructable, I will be showing you how you can make your own Asriel Dreemurr Costume! The character is from a great game called Undertale, which can be found on steam.

I used Tainted-Dna's cosplay as a reference while making this, but I decided to modify it a little bit to make it more unique. You can find it here -> http://tainted-dna.tumblr.com/

If you enjoy this instructable, please favorite it, or follow me. I would really appreciate it!

Step 1: Making the Head (HARDEST PART)

To make the head, you will need flexible foam (I used 1" inch foam), black and white felt, and spray adhesive.

First, you will want to measure the distance around your head, and cut the foam at that mark. Once you have the right length, glue the first 5 inches at the bottom to make a tube shape. After it dries, make a straight line another five inches above where you glued. Cut along this line. Cut a "v" shape into the other side of the tube, and glue the sides together to form a smaller circle at the top of the tube. Once you do this, trim the tube to fit your head.

To make the snout, glue loops of foam down where the snout should be, and shape it with scissors to round it out. Don't forget to add the two fangs on each side of the snout. It may help to glue an outline of the shape you want in the center of the front of the mask. Another piece of foam should be glued underneath the snout for the mouth.

Next, cut out an oval the same size as the top of the head and glue it on top. You can round it to make it look less flat. After it dries, cut out horn shaped pieces from the foam, and carve the edges with scissors to round them. These can be glued on the top of the head, pointing towards the back of the head. You should also cut out pieces for the hair and glue them in the center of the top of the head.

Next, mark out eye holes, and make sure they are centered over your eyes when you wear the mask. If they are in the right spot, cut them out. I used the lenses from sunglasses to make the eyes look black, but still allow you to see through them.

Finally, cut out long teardrop shaped pieces of foam for the ears. These can be sewn or glued on to the top of the mask, depending on the strength of your glue.

If there is a spot that looks like it should be raised, you can add foam onto it, and sculpt it with scissors. I had to do this around the eyes, and on the eyebrows.

Once you finish this, just cover the whole thing in felt or faux fur by gluing it with more spray adhesive. Make sure to cut holes for your eyes, and make the black markings around the eyes.

The head is the toughest part of the costume, but I was able to finish it in less than a week (not counting the modifications). I'm sure you can do it too if you stay determined! (Pun Intended)

I later went and added white felt around the horns, and covered the hair, snout and ears with faux fur. This step is optional, but makes it look a lot nicer.

Step 2: The Body

For this, you could just buy a Delta Rune Shirt, but the online store was out of stock when I checked. (December 13th) You could just sew the shapes for the delta rune onto a purple shirt, or buy a custom shirt from another store. It doesn't matter how you do it. When you have the shirt, put it on over a white long sleeved shirt. It is that easy. You can also wear white gloves, but this is optional.

Image Credit: https://www.fangamer.com/products/undertale-delta-rune

Step 3: Putting It All Together

Now for the easiest part... Putting it all on!

Just put the long sleeved shirt on first, then the Delta Rune T-Shirt. Finally put on the mask, gloves, and any accessories you want.

For more fun, you can carry around some Chaos Sabers, or 3D print Flowey!

Step 4: Conclusion

This costume was a lot of fun to make, and a lot easier than my Freddy Fazbear costume I did a while ago. I hope that you enjoyed reading this instructable as much as I enjoyed making it!

Special thanks to FinalCosplayCorps for their tips along the way. I wouldn't have been able to do this without them! Check their twitch page out here and their youtube here.
Thank you for reading,
Gabgra11

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  • I like undertale bec...-IrisM24

    IrisM24 made it!

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37 Comments

Thanks so much! I really appreciate it!

I feel like horrible to asgore ?

hey, i just want to say that asriel doesn't have a snout (at least, it shouldn't be noticeable.)

Hello!
When I was making this cosplay, I felt that it didn't look right without a snout, and I haven't ever experimented with adding a snout into a costume so I felt that this would be the right time to try. Of course, if you make this costume you can choose whether to add a snout or not.
Thanks for the suggestion!
~Gabgra11

I know I sound stupid when I ask this but... I love Undertale and I have not finished the game! So... Is Asriel Toriel!?!? Please awnser anyone!

No, asriel is Flowey, but with a soul/ revived. He is the son of Asgore and Toriel (As+riel) Asriels my favorite character ;3

Oh there's already an answer I feel stupid now