God grants me the boon of vision unrestricted by time or space.
He consigned his unknown persecutors to the most horrible tortures he could imagine, and found them all insufficient, because after torture came death, and after death, if not repose, at least the boon of unconsciousness.
As the eleventh hour struck, he entered with a swaggering air, attended by two of the most dissolute and reckless of his boon companions.
Towards the house the chestnut-trees we have before mentioned rose high above the wall, without in any way affecting the growth of other luxuriant shrubs and flowers that eagerly dressed forward to fill up the vacant spaces, as though asserting their right to enjoy the boon of light and air.
There are no more uses of "boon" in the book.
Show samples from other sources
More weapons would be a boon as well.
Cassandra Clare -- City of Heavenly Fire
The first boon has been that when the flu arrived on campus last week, we knew in minutes who brought it.