Ultraman Dyna: S1 E31 - Battle To Death! Dyna Vs Dyna Ultraman Dyna

4 giant pillars suddenly warp out to the R2 District and Monsarger appears right after. Asuka tries to turn into Dyna, but a man in all black clothes appears in front of him and turns into a giant that looks exactly like Dyna! This Dyna easily takes down Monsarger. What is its plan?!