For more specific details, you can check the Episode 662 Wiki Page or community discussions on the One Piece Subreddit .

This creates a unique psychological torture for Luffy, who has to watch his friend (Law) get brutalized while being unable to intervene directly.

A major theme of this episode is . Despite his immense power, Luffy is physically separated from Doflamingo and the dying Law by the Seastone bars of the Colosseum.

For viewers at the time, this was a massive emotional payoff that balanced the grim tone of Law’s defeat at the hands of Doflamingo.