Well, the adaptation from manhwa to anime can be a mixed bag. Sometimes it's a near-perfect translation, maintaining the charm and details of the manhwa. Other times, it might make changes to fit the animation format or appeal to a broader audience, which could have both positive and negative effects.
It's a decent adaptation. The anime of 'gosu the master' retains the key elements of the manhwa, but there are some changes for better visual presentation.
The Omniscient Reader manhwa is quite faithful. It does a good job of presenting the plot and characters as they were in the original. Some minor details might be tweaked for better visual or narrative flow, but the core remains intact.
It's hard to say for sure. The decision to turn a manhwa into anime involves multiple considerations such as the story's appeal, available resources, and market demand. Sometimes it happens, but not always.
Yes, in many ways it is. The manhwa generally follows the main plotlines of the light novel. However, like most adaptations, there are some minor differences in pacing and certain details might be emphasized or left out for the sake of visual storytelling in the manhwa.
The legitimacy of manga adaptations into anime depends on several factors. Sometimes, they stick closely to the original plot, characters, and art style. But in other cases, they might make changes to fit the animation format or to add new elements for entertainment value.