This is a unique set of the Prospector kit which grants players a bonus of 25% when mining on the Motherlode mine. To gain this benefit, you'll need to OSRS Gold invest 180 Golden Nuggets in Prospector Percy in The Motherlode Mine. If you're keen to work at this place, this is a must-have.
It functions as a Prospector Jacket in the same set as prior to. Also, while wearing it, you have a chance to mine two different ores at the same time (at 10 percent chance) while mining, which dramatically increases the exp gain. The item can be obtained by completing Varrock Diary - easiest, middle hard and elite.
In general, this approach is a combat-related farming. You must complete Dragon Slayer II as it unlocks two monsters worth killing. The first one is the principal antagonist in the quest - Vorgath. Although he doesn't drop valuable items to be found during the quest You can return to his cave after the your quest is over to take on rewards.
Be aware that this version of Vorgath that you meet when the quest is complete will be much stronger than the version you've already fought. In terms of the rewards, you should expect to collect some Rune bars and items and also important dragonhide.
If you're not interested in managing, you could also take on Rune Dragons which are also extremely profitable. They require less focus and effort, while giving similar items to those which come from the boss. It is also possible to Cheap RS Gold do this at a lower level when you manage to complete Dragon Slayer II completed.