Soul Reaper

Soul Reaper, also known as Boss Slayer, is a daily activity released on 18 August 2014, although it is possible to unlock the ability to participate in the activity more than once per day. It involves the player helping Death harvest the souls of various boss monsters, as, in Death's words, there is an imbalance in the harmony of life and death — specifically, there is too much life. It requires level 50 combat to start. Death tasks players with "reaping" various boss monsters in special assignments, which reward Slayer experience and reaper points that can be spent on a number of things, including hydrix gems, a new title, and a set of cosmetic gear.

Getting a task
To start the activity, a player must visit Death's office via a portal next to the Draynor Village lodestone, and then speak to Death. He gives players a grim gem and assigns them their first task. A task may be re-rolled up to five times per day, but doing so diminishes the point rewards by 25% for each reroll, excluding the first re-roll.

A task can be cancelled for free if the player does not complete the task by 00:00 UTC, if they go to Death. If this is done via gem, it will take a few days, and the first reroll will be consumed. One task can be obtained for free daily. The only way to get more than one task a day is by purchasing the "Additional Tasks" from the rewards, which uses Slayer Points to get a new task.

After the first task, further ones can be obtained by using the grim gem, which acts similarly to the enchanted gems for standard slayer, making travelling back to his office unnecessary.

As Death is kidnapped by Sliske during the events of Missing, Presumed Death, his clanmate Frank fulfils his role in the activity for him for the duration of the quest.

By unlocking the Reaper's Choice perk (250 reaper points), there is a 10% chance that Death will allow you to pick a boss of your choice rather than assigning you a random boss.

Assignments
Death (or Frank) may assign the following boss monsters, with numbers depending on the difficulty of the boss.

In the reward shop (Death's Store) on the Options tab, players can toggle: Selecting either option increases the number of reaper points rewarded for all tasks by 25%, even for solo boss assignments when group assignments are enabled. Selecting both options increases the number of reaper points rewarded by 50%. Players can toggle these options only when they are not on an assignment.
 * 1) Enabling group bosses (Vorago, Kalphite King, Rise of the Six, Nex and Nex: Angel of Death) as possible assignments;
 * 2) Extending the amount of bosses. This simply doubles the amount that is normally assigned.

Unlike normal slayer:
 * Players do not receive Slayer experience for every boss killed. It is instead awarded at the end of the assignment.
 * Players only need to deal a small amount of damage to a boss for it to count for the task, as opposed to the majority of it.
 * Although Soul Reaper is a Slayer D&D, the usual bonuses from the slayer helmet do not work on Soul Reaper tasks, unless the player has a regular slayer assignment for the same monster. For example, if a player has a black dragons task and has a reaper Queen Black Dragon task at the same time, upon defeating her, players get normal Slayer experience while the kill counts for the reaper task.

After each kill, the player is notified how much they have left for the task. Upon completing the task, the player is awarded with a hefty sum of Slayer experience and some reaper points. If the player completes 10 tasks, they gain an additional 10 reaper points. If the player completes 50 tasks, they gain an additional 50 reaper points.

Base reaper points are 1000 times lower than the Slayer experience the boss awards.

Rewards
Players can access the reward shop, Death's Store, only by speaking with him in person. It is not accessible via the Grim gem.

In addition to Slayer experience, you also are rewarded with reaper points, which are used to purchase items and effects. Most of these can also be purchased with slayer reward points. There are also cosmetic rewards that are unlocked by completing certain objectives. Unlocking 'the Reaper' title is a requirement for the completionist cape, and unlocking all permanent effects is needed for the trimmed version. The Final Boss title is not required for either version of the cape.

It is possible to obtain Crabbe, the Slayer pet when completing an assignment and receiving Slayer experience.

Each reaper point is worth, based on the median GE price of an incomplete hydrix (or based on death notes). Since some rewards can be purchased with either reaper points or slayer points, one of those two options will usually be cheaper because of the different opportunity costs. The value of a slayer point (based on the value of Slayer Dart runes) is 0 coins, so for example the bonfire upgrade effectively costs 0 coins if purchased with reaper points, and only 0 coins if purchased with slayer points.

Items
All items are single use and will be consumed when used.

Unlocks
The boss counters can be viewed in the Beasts tab of the Adventures interface. All boss kills are counted, regardless of whether they were assigned by Death.