Zaishen Medallions were an event-specific reward trophy for the Guild Wars Nightfall PvP Preview Event. The Zaishen Supply Masters in the Great Temple of Balthazar accepted them in exchange for other items.
- Random Arena and Team Arena
- You received 5 Medallions for winning, an additional Medallion for a flawless victory, and 5 additional Medallions for each 5 consecutive wins.
- Heroes' Ascent
- You received 15-25 Medallions for winning and an additional 5 Medallions for a flawless victory.
- Guild versus Guild
- You received 20 Medallions for winning and an additional 5 Medallions for a flawless victory. Higher rated matches awarded 25 Medallions for winning, and 7 for flawless. Even higher Rated matches gave 30 Medallions for winning, and 9 for flawless.