Today I made an edit changing the ost playing while Armin transforms into the Colossal Titan. Hope you enjoy!

I do not own any thing presented in this video. All rights reserved to its proper owner.

© Hajime Isayama,Kodansha /"ATTACK ON TITAN" The Final Season Production Committee.

Attack on Titan The Final Season was produced by MAPPA.
Attack on Titan/Shingeki no Kyojin is written by Hajime Isayama.
Official website: shingeki.tv/final/
Official twitter: @anime_shingeki