I'd recommend 'Killing Stalking'. It's a popular one with intense action and an interesting BL plot. But be warned, it's quite dark and might not be for everyone.
There's 'The Semantic Error' which has great action scenes and a compelling BL story.
BL action manhwa often features intense action scenes combined with romantic elements between male characters. The art style is usually detailed and visually appealing.
Action BL manhwa often has intense fight scenes and a compelling romance storyline. The characters are usually well-developed and the art style is visually appealing.
Typically, manhwa BL action has intense fight sequences, well-developed backstories for the characters, and a lot of tension and drama in the plot.
One of the standout features of BL manhwa action is the combination of romance and action. The characters' emotions are deeply explored while they engage in thrilling battles. Also, the unique world-building adds to the charm.
A good BL manhwa usually has compelling characters, an engaging plot, and beautiful art.
One notable action BL novel is 'Sword in the Stars'. It has a fantasy setting where the two male leads are on a journey to save their world. There are exciting battles against dark forces, and their relationship grows stronger through the shared trials and tribulations. They support each other not just as lovers but also as comrades in arms.
A good action manhwa usually has exciting fight scenes, interesting characters, and a compelling plot.
Action BL novels often have exciting plotlines. For example, they may involve battles, either physical ones like sword fights or more modern ones like gun battles. This creates a sense of adventure.
You could check out 'Semantic Error'. It combines action with a charming BL romance. The art style is also quite appealing. Another one is 'The World After the Fall', which offers exciting action sequences and a compelling relationship between the male leads.
I'd recommend 'Semantic Error'. It has an engaging plot with interesting character development and unexpected twists.