The expression "3 swords" can refer to various sets of swords with regards to the context. Here's a few notable illustrations:

one. **Three Famous Japanese Swords**:
- **Kusanagi-no-Tsurugi**: A legendary Japanese sword that is a component from the Imperial Regalia of Japan, symbolizing the advantage of valor.
- **Ame-no-Murakumo-no-Tsurugi**: A further name for Kusanagi-no-Tsurugi, sometimes outlined individually in legends.
- **Futsunomitama-no-Tsurugi**: A legendary sword linked to Japanese deity worship.

2. **Three Musketeers' Swords**:
- **Athos**: One of the a few musketeers in Alexandre Dumas' novel, famed for his qualified swordsmanship.
- **Porthos**: An additional musketeer, recognized for his toughness and bravery.
- **Aramis**: The third musketeer, mentioned for his finesse and strategy in sword battling.

three. **1 Piece - Zoro's 3 Swords** (from the favored anime and manga "Just one Piece"):
- **Wado Ichimonji**: A treasured sword that Zoro utilizes in his mouth.
- **Sandai Kitetsu**: On the brass knuckles list of cursed swords known for its sharpness and Hazard.
- **Shusui**: A black blade with enormous power, initially belonging to the legendary samurai Ryuma.

These examples highlight the cultural and historical significance of sets of three swords in numerous contexts.