deed
Deed is one possible answer.
deed
strong, tough, skillful, brave/courageous
Perseus is very strong, brave, skillful, kind, fierce
Perseus is very strong, brave, skillful, kind, fierce
Brave and skillful warrior
Being brave and skillful in her work.
Pious, religious, brave, audacious, skillful tactician.
armoured, brave, caurageous, ruthless, muscular, skillful, chivalric, polite, gentle, generous, faithful, loyal
Another word for brave actions is courageous, or valiant.
The word bravery is a noun. It is a brave act.
The adjectives related to the noun skill are skilled and skillful, which are roughly synonymous. The word skillful has ab adverb form, skillfully.