It was Nico's birthday and each of the seven. Piper got him a necklace that matched his ring. Annabeth gave him a paperback "The Sorcerer's Stone". Hazel got him a Stygian Iron dagger to use as a backup for his sword. Jason got him a hug, because he had no clue what to get him. Percy got him a pack of Anti-Depressants, which earned him a punch to the gut by Hazel. But Frank's present he enjoyed the most. He got him a Mythomagic booster box, which included 10 booster packs, 3 holo cards, and 2 god statues. Later that night, He played Frank in a match of Mythomagic, with his new cards and statues included with his deck. Nico won by a landslide.
This is the longest headcannon yet! Hope you like! Sorry for not posting in forever!