![Sir Lesnar](../graphics/Sir Lesnar/Sir Lesnar.jpg)
Speak with Sir Lesnar to enter Arka War or Protector of Acheron.
![Sign of lord](https://muonlinefanz.com/tools/items/data/graphics/Sign%20of%20lord.jpg)
- Used for the Arka War and Castle Siege mini-games.
- May drop from killing any monsters.
- Can be stacked up to x255.
![Sir Lesnar](https://muonlinefanz.com/tools/npc/data/graphics/Sir%20Lesnar/menu.jpg)
- Enter Protector of Acheron by picking option #9.
- Guild Master can register for Arka War via this NPC.
- Guild Members can register to participate in Arka War via this NPC.
- Guild Members with a Battle Master Guild Rank can register Sign of lord, for Arka War, via this NPC.
- Trophies of War can be exchanged via this NPC.
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