While most anime is based on manga, there are also some fantastic series that are based on Korean manhwa.
Best Manhwa Anime
Top 20 Manhwa/Webtoons Where The MC Is An Emotionless Cold-Blooded Killer — DEWILDESALHAB武士
Best Manhwa Anime
Manhwa That Deserve An Anime Adapatation
10 Best Manhwa/Best Webtoons on Asura Scans - OtakuHarbor
The 21 Best Isekai Manhwa (Webtoons) You Must Read
10 Anime Based on Popular Korean Manhwa
Top 6 Best Manhwa According to MyAnimeList: Only One Manhwa Comes Close to Solo Leveling
10 Best Anime Adaptations of Manhwa