Griffith survives the attempt because his Beherit, hanging around his neck, blocked the poisoned needle hidden in the cup or acted as a shield (depending on the interpretation of the "luck" it provides).
Minister Foss and Queen Midland, feeling threatened by Griffith’s low birth and high ambition, plot to kill him. Berserk Episode 10
Guts begins to feel out of place in the lavish ballrooms. While the others enjoy the fame, Guts feels more like a "tool" for Griffith's ambition than a celebrated hero. His willingness to kill for Griffith without question shows his deep (yet dangerous) loyalty. Griffith survives the attempt because his Beherit, hanging
Susumu Hirasawa’s score shifts from triumphant fanfares to eerie, atmospheric tracks during the assassination scenes. While the others enjoy the fame, Guts feels
This episode highlights his "Silver Tongue" and his ability to navigate high society just as easily as a battlefield. It also shows his ruthlessness; he is not shaken by the assassination attempt, but rather uses it as a strategic opening.
During a celebration, Griffith is offered a glass of poisoned wine by a conspirator. He drinks it and collapses.