The Ten Thousand Swords. Necklace of Skill and Ten Thousand Swords are both game skills in the game Dark Light Years. Necklace of Skill improves the player's combat skills and attack power, making combat more manageable. The Necklace of Skill is a very powerful attack that can easily deal heavy damage to the enemy and maximize the winning rate of the game. So, to summarize, Ten Thousand Swords is better.