| Requirements | 
|
|---|---|
| Skills | |
83 | |
| Items | |
| Quest | |
None | |
| Other | |
None | |
| Results | |
| Profit | Experience gained |
| −1,392,600 per hour | None |
| Inputs | Outputs |
Lava titan pouch (4,276) |
275 x uncut ruby (506,550) |
Located in the center of the Lava Maze, the muddy chest contains an uncut ruby, a mithril bar, a mithril dagger, an anchovy pizza, 10 chaos runes, 2 law runes, 2 death runes and 50 coins. Opening it consumes a muddy key. While the area is quite remote, it's possible to use the lava titan familiar to teleport just outside the maze, cutting down on the transportation time.
This method takes place inside the Wilderness, which means you should not bring in any items you are not prepared to lose. As the gem bag is not retrievable from your gravestone, Protect Item is necessary to keep it should you be killed there. It's also important to make sure that the gem bag is the highest valued item in your inventory, so nothing else will protect over it.
The muddy chest contains a lot of items, but not all of them are worth keeping, due to inventory space constraints. The mithril dagger and anchovy pizza should be dropped, while the stackable runes should be kept. Uncut rubies should go in the gem bag, and the rest of your inventory space should be saved for the mithril bars. This takes a fair amount of juggling the items and dropping the unwanted ones, but this way it's possible to open 25 chests for each run you do, without needing a Beast of Burden.
Muddy keys have a buying limit of 100 on the Grand Exchange, but they are relatively easy to buy since they have a high trade volume.
Starting your run, teleport to the Lava Maze with 25 muddy keys in your inventory and a ring of duelling equipped. Enter the maze, slashing the webs apart and avoiding the black knights and hill giants, and make your way to the muddy chest at the end. Avoid the lesser demons inside the muddy chest area if they are aggressive. Start opening the chest, letting most of the items go on the floor, storing the uncut rubies in the gem bag and picking up any mithril bars that get dropped. When finished, you have multiple methods for returning to the bank. The fastest but most dangerous it to enter the Lava Maze Dungeon, pull the lever, enter the King Black Dragon's lair, and teleport out using your ring of duelling. You could also run north to Ghorrock, which is also not in the Wilderness. You could even enter the Mage Arena and bank there. The slowest method would be to run back down to level 26 Wilderness and teleport normally.
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