These are all by me unless otherwise stated, and all of Pokémon characters.
SPOILER WARNING
The artwork may not only contain characters who readers of the new version have not read about yet, but also ones that weren't even in the UMR (see Revision History). Therefore, view them at your own risk.
Dracobalt
Raudra
Puragon
Spirit (pose from sprite)
Spirit (cel-shaded)
Spirit (soft shaded)
Spirit (cel-shaded, colored outlines)
Spirit (soft shaded, colored outlines)
Molzapart (sprite)
Rainteicune (sprite)
Chaletwo (sprite)
Spirit (sprite)
Spirit (by Nidokingu)