Black Desert Online is described as 'Sandbox, living-world MMORPG. Experience fast-paced, action-packed combat, hunt monsters and huge bosses, fight with friends in a guild to siege nodes and conquer castles, train your life skills such as fishing, trading, crafting, cooking, and much more' and is a MMORPG game in the games category. There are more than 25 games similar to Black Desert Online for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best Black Desert Online alternative is The Elder Scrolls. It's not free, so if you're looking for a free alternative, you could try The Lord of the Rings Online or Runescape. Other Black Desert Online like games are World of Warcraft, Guild Wars, Star Wars: The Old Republic and The Elder Scrolls Online.
The combat is near identical. however, Dragon Nest combat is just more chaotic.