artist unknown masaaki iwane pokemon pokemon (2023) presumed animated character acting creatures effects impact frames smoke | #255319

0:00 - 0:03.9: Masaaki Iwane (presumed)

The Terastallization right after this upload had a reused cut/effects by Shuhei Yasuda (post #232682), so no need to add it, since this scene is by different animators.