For those who missed it yesterday. Some client works from 2019.https://twitter.com/Marcel_Hampel/status/1214898029045714944 …
Some of the ingame card illustrations I´ve worked on for the realtime multiplayer #towerdefence game @TowerDuel in 2019. 
more of the work on:
https://www.behance.net/marcelloofb55
https://www.artstation.com/artwork/v1qy6x
#gameart #towerdefense #2dart #gamedev #indiedev #startup pic.twitter.com/0kkzXWuocx
more of the work on:
https://www.behance.net/marcelloofb55
https://www.artstation.com/artwork/v1qy6x
I agree, stuff like such effects are pretty tricky. For me it usually takes more than one try until it somehow works. The ice or sonic/air effects were even harder than the fire.