- Percy feels relieved that his mother is alive and ok but angered at the person who did this.
Explanation:
'The Lightning Thief' by Rick Riordan relates the tale of a young boy(Percy) who suffers deficit hyperactivity disorder like ADHD(Attention deficit hyperactivity disorder) and dyslexia and his hunt to save the world.
As per the question, in chapter 20 when Percy gets to see his mom 'he feels quite relieved after he realizes that his mother is fine and is alive but at the same time the situation fills him with wrath and anger against the one who were responsible for the act'. He is now determined to pay them back who led his mother to this situation.
