Nathan finally reaches his 17th birthday. According to prophecy and witch law, he must consume the blood of an ancestor (his father, Marcus) to receive his "Giving" and unlock his full powers.
Nathan finds Marcus Edge. Unlike the monster described by the Council, Marcus is weary and philosophical. He reveals the truth about his past and offers Nathan his blood, not through a fight, but as a choice. The Bastard Son & the Devil Himself s01e08
Soul O'Brien serves as a foil to Marcus, showing that those who claim to be "good" can become the very monsters they hunt. Nathan finally reaches his 17th birthday
Soul O’Brien, now fully corrupted and wielding multiple stolen powers, leads a brutal assault on the forest hideout. His goal is to kill Marcus and Nathan to "purify" the witch world, though his actions have become those of a tyrant. Unlike the monster described by the Council, Marcus