often rewards good behavior, but getting one powerful potion requires manipulating Astarion in a way that's very far from a healthy interaction. Although Astarion isn't exactly the most morally upright of potential party members, it becomes easier to understand why he is the way he is once the darker depths of his backstory are revealed. Ideally, finding out his secrets would allow the protagonist to avoid reawakening any of his old wounds. Sometimes, however, the prospect of power is simply more alluring than the alternatives.
The moment in question arises as an opportunity in Moonrise Towers, the major Act 2 destination where General Ketheric Thorm amasses an army of followers to serve his wicked schemes. It's possible to enter Moonrise without initially triggering any form of hostility, which leads to plenty of potential unique interactions with the various NPCs gathered inside. Many of them haunt the main halls, including some vendors with desirable items, but others can be found going about their business alone in various chambers. One such character is Araj Oblodra, who has an interesting proposal involving Astarion's blood to put forward.
Although most characters would likely shy away from a vampire bite, Araj requests one specifically, professing an interest in studying its effects. In exchange for the favor, Araj will provide a Potion of Everlasting Vigor, which grants a permanent +2 buff to the Strength of whoever drinks it. Considering most potions in only grant temporary effects, increasing a major stat and having it stick is a hard thing to pass up, and the desirability of the potion is boosted by the fact that there's no other way to get it in game.
Other characters can trade their blood to Araj for a
Read more on screenrant.com