Krystilia

Krystilia is a Slayer master found in the Northern Shayzien tent at home. Players can use ;;pvp to teleport near her tent, that is a shared space between her and Mandrith's Blood Money shop.

Slayer

She is a Slayer master who assigns the player monsters found within the Wilderness. Only kills within the Wilderness count towards her tasks. Before being assigned a Wilderness task, she will warn you that she will assign any monster regardless of your combat level.

In addition to this, killing monsters on her tasks can yield Larran's key, which can be used to open Larran's big chest, also found in the Wilderness. They act similarly to Konar quo Maten's brimstone keys and brimstone chest. It is recommended to complete tasks in the Wilderness Slayer Cave for the boosted rates at receiving Larran's Keys.

Tasks from Krystilia have a separate task completion counter to the reaper boss tasks. You will still get task bonuses after every 10 task completions, but these will not stack with Reaper task completions.

For a kill to count towards a Krystilia task, the player must be physically located inside the Wilderness when the monster's death occurs. A player who is using a Dwarf multicannon will receive the standard "As your slayer task is from Krystilia, you can only perform it inside the Wilderness" message if they teleport out of the Wilderness to restock and remain outside of it when their cannon kills the monster.

Useful Teleports

Utilize the Teleport Nexus north of home and select the "PVP" option. This will provide a list of teleports throughout the wilderness.

Example image of the Teleport Nexus 'PVP' option

Benefits

Wilderness Slayer is a good option for players due to the increased amount of Slayer Points you receive in comparison to standard tasks. These points can then be spent in the slayer rewards shop for a variety of items, benefits, and slayer boosts. Details regarding points earned from Wilderness Slayer can be found below:

Task Interval	Points Given
Every Task	50
Every 10th	250
Every 50th	750
Every 100th	1250
Every 250th	1750
Every 1000th	2500

Larran's keys are another primary benefit for completing Wilderness Slayer Tasks. The exact odds of receiving a key scales with the monster's Combat level. For levels 1-80, the probability follows a curve between 1/1972 at level 1 to 1/100 at level 80. For levels 81 or higher, the odds are between 1/99 and 1/50, scaling linearly and capping at level 350, as reflected in the equation below. In addition, if players are assigned to kill slayer monsters, the drop chance is increased by 25%, and any monsters killed within the Wilderness Slayer Cave have a further 15% increased chance to drop a key. Larran's keys can be used to unlock the Larran's big chest.

Formula for calculating rates of receiving a Larran's key drop.