By Any Means Necessary

Battle Dig (also known as Water Slaughter) is physical race challenge that originated in, and has subsequently appeared in and. A water-based version of the challenge was also used in.

Rules
For each tribe, a designated number of contestants will race out to a marked location and retrieve up a bag. The castaways then compete to return the bag to their tribe's mat. The first person to touch the tribe mat, with a hand on the bag, scores a point for their team. The first tribe to win a given number of rounds will win the challenge.

History
The challenge debuted in as the episode three Reward Challenge. Two contestants from each tribe would swim out to retrieve an inner tube and try to bring it back to their tribes platform while contestants from the other tribe would try to stop them. The first tribe to three points won. Ulong won this challenge.

The challenge re-appeared in as a tribal Immunity Challenge, with the entire tribe competing simultaneously. The first tribe to score three bags won the challenge. Casaya won immunity.

The challenge was used as the first Reward Challenge in. The challenge occurred immediately at the start of the game. Teams of two raced for each tribe, with the first tribe to reach three points winning. The Heroes tribe won the challenge (3-2), receiving flint. The challenge was notable for inflicting multiple injuries, with Stephenie LaGrossa dislocating her shoulder and Rupert Boneham breaking a toe.

In, a variation of this challenge was again used as the first Reward Challenge of the season. Adapted to an aquatic playing field, two members of each tribe would race to retrieve a buoy from one end of the course and return it to their tribe's pole. The Favorites tribe Bikal won the challenge (4-1), receiving flint and 20 pounds of beans.

Trivia

 * Cirie Fields, Stephenie LaGrossa and Danielle DiLorenzo are the only contestants to compete in this challenge twice.
 * However, Cirie and Stephenie are the only castaways to have won the challenge twice.
 * Every contestant that has competed in this challenge twice competed in it for the second time in Survivor: Heroes vs Villains.
 * This is the first - and only - challenge that returning player Francesca Hogi has won.
 * In all of the seasons in which the challenge was used for reward, the winning tribe lost the subsequent immunity challenge.
 * Coincidentally, in two of the three seasons the tribes were comprised of ten returning players.
 * Also, in both of these seasons, this challenge was the first challenge of the season.
 * This challenge has been played by both members of the Hantz family who have competed on Survivor.
 * Brandon Hantz won in Survivor: Caramoan, while his uncle, Russell Hantz, lost in Survivor: Heroes vs. Villains.
 * Blue and purple tribes won twice each.
 * They are also the only colors to win the challenge.