I'm not entirely sure as I haven't played it myself. But generally, a visual novel often has a story - it could be about the character named Dexter and his adventures, relationships, or a particular journey in a fictional world.
Sure is. Dexter is adapted from the novels. The rich and complex world created in the novels was brought to life on the screen with some creative changes for the TV format.
There were several ways to obtain Ardent Soul Points:
1. Level 90 and above Elite monsters randomly enter, three times a day. Each time, you can obtain 2 Ardent Spirit Points. You can obtain 180 Ardent Spirit Points every month.
2. Weekend AFK Farming Event. Earn 32 Ardent Spirit Points per week.
3. Elu's Treasure. Earn 5 Ardent Spirit Points per week.
4. Various uncertain activities, you can get dozens of Ardent Soul Points every month.
5. It was a free upgrade.
6. He bought it from the shop.
The above was the answer based on the search results provided.
I really don't have enough information to determine who was last seen wearing Dexter Novel. It could be a model if it's a new fashion brand. Or perhaps it was a character in a story if Dexter Novel is a very unique and fictional piece of clothing. Without more context, it's difficult to say.