The Troll is one of the NPCS in the Thieving skill.

This page is up to date (v1.2.2).
Troll
Troll
Area: Cave of Giants
Requirements: Thieving Level 49
Perception: 450
Max Hit: 151
Experience: 50 XP

Loot

Successfully pickpocketing the Troll will always give 1 - 425 

Possible Common Drops:

Up to one of these will be received on a successful pickpocket:

Item Qty Price Chance
  Silver Ore 1 25  5/22 22.73%
  Teak Logs 1 20  27/176 15.34%
  Silver Bar 1 51  27/176 15.34%
  Mithril Bar 1 125  19/176 10.80%
  Mithril Ore 1 65  1/16 6.25%
  Mahogany Logs 1 50  1/22 4.55%
Total: 3/4 75.00%

The loot obtained from the average successful pickpocket is worth 36.40  if sold.

Including GP, the average successful pickpocket is worth 249.40 .

Possible Rare Drops:

Any of these can be received after a successful pickpocket:

Item Qty Price Chance
  Bobby's Pocket 1 4,000  1/120 0.8333%
  Chapeau Noir 1 32,000  1/20,000 0.0050%
  Sneak-Ers 1 15,000  1/15,000 0.0067%

Possible Area Unique Drops

Any Area Unique Drop is equally likely to be obtained after a successful pickpocket. Each Area Unique Drop is rolled for separately, so it is possible to receive multiple Area Unique Drops from a single action. The chance of receiving an Area Unique drop is tripled if the 95% Thieving Mastery Pool checkpoint is active.

Item Qty Price Chance
  Giant Club 1 15,000  1/500 0.20%
  Eyeball 100 60  1/500 0.20%
  Stack of Bones 1 1,020  1/500 0.20%