This was the first time we saw the fusion utilize god ki.
The episode emphasized that gods aren't invincible. 66 : Goku's New Power
Trunks unknowingly gathered the hopes and ki of the remaining survivors. This was the first time we saw the fusion utilize god ki
Dragon Ball Super Episode 66, "Showdown! The Miraculous Power of Unyielding Warriors," changed the game for the series. It gave us the return of a fan-favorite fusion and a brand-new form for Future Trunks. ⚡ The Return of Vegito Blue 66 : Goku's New Power