[Lv 1000] Battle Tower
This quest gives you very nice amulet called battle pendant that better that Ferumbras' amulet in many points but its still not infinite so its bad to keep charge it.
The battle tower is a tower with 7 floors. Each floor is more difficult than the previous. Monsters are summoned when the tower detects movement from someone. There's a decent chance that it will detect your movement.
Rewards:
+10 vampire lord tokens
Start the quest here:
Talk with npc "Battle Tower Attendant" to get Battle token to start the quest.
Say: Player: Hi Battle Tower Attendant: Greetings, Player - Welcome to the Battle Tower! If you would like to buy some battle tokens I am willing to trade a battle token for 3 Cyntara Coins. If you are curious about the battle tower you can also ask me for more info.
Player: Trade
Battle Tower Attendant: So you are sure you would like to trade 3 Cyntara Coins for a battle token?
Player: Yes
And he will give you a battle token to enter teleport north.
When you enter the first room and every room rush north and stay in brown area
Here: 
Keep move around don't go out of this area if you go out more monster resp. when you done all monsters around enter tp for next room and keep repeat that every room till you done there is 7 rooms every room get harder than previous room.
Also when you enter the room no monster resp till you move from this area:
Room I:
You will find the following monsters : Dragon lords, vampires, giant spiders, priestess, necromancers and lancer beetles.
Room II:
You will find the following monsters : dragon lords, giant spiders, fire devils, Iron Servants, squirrel and golden servants.
Room III:
You will find the following monsters : frost dragons, heroes, bog raiders, fire devils and wisps.
You will be teleported to rest room to buy runes and get ready for harder rooms :
Room IV:
You will find the following monsters : Hydras, serpent spawn, heroes, warlock, pyro imps, yielothaxes and wisps.
Room V:
You will find the following monsters : black knight bosses, werewolves, medusas, white knights and pyro imps
You will be teleported to rest room to buy runes and get ready for harder rooms:
Room VI:
You will find the following monsters : medusas, jammer golems, white knights, demon sprouts, grim reapers and swamp lords.
Room VII:
You will find the following monsters : ghastly dragons, wyrms, elder wyrms, white knights, swamp lords, grim reapers and undead dragons.
When you done this room you just done the quest you will teleport here :
Go down and follow this path to the chest!
Enjoy Rewards!