Focusing on his bravery:
* As brave as a lion facing a dragon.
* He was as fearless as a hawk diving for its prey.
* His courage was as steady as an oak tree in a storm.
Focusing on his skill with a bow and arrow:
* He could shoot an arrow as straight as a line drawn by a ruler.
* His aim was as true as a compass pointing north.
* He was as swift with his bow as a lightning bolt.
Focusing on his cunning:
* He was as cunning as a fox outwitting a hound.
* His mind was as sharp as a knife, always planning his next move.
* He could slip through the forest as easily as a shadow.
Focusing on his charisma:
* He was as charming as a bard singing a ballad.
* He could win over any heart as easily as a flower attracts a bee.
* His laughter was as bright as a bonfire on a cold night.
Focusing on his connection to the forest:
* He was as familiar with the forest as a squirrel with its own burrow.
* He moved through the trees as silently as a whisper in the wind.
* He was as much a part of the forest as the trees themselves.
You can choose the similes that best fit the specific context of your writing!