Answer:
Unprecedented - used to describe something that has never been done/known before
No one in Tyjo's family has ever won the balloon eating race before, but today he celebrated an unprecedented victory.
Gallantly - to do something heroically
Josh gallantly rescued the cat from the burning bounce house.
Assailed - to make a violent or planned attack on something
After years of preperation, Tyler finally assailed Josh's snow fort with a hail of tacos.
