Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Spells like Guiding Bolt says: next attack roll made against target before the end of your next turn, has advantage.
If there is a party of four, let's say, do all get advantage? Or just the next attack?
Just the very next attack, so only one advantage. This also means the effect is wasted if the next attack already has advantage.