Summary:

What if OSRS Slayer finally gave you a real choice without turning the skill into a complete free-for-all? Mortimer, the new highest-level Slayer Master coming with Worms Bane, does exactly that. But is he actually worth using, or is he only for certain account goals? With task modifiers, superior-only assignments, expensive skips, limited block slots, and a progression system that unlocks more power over time, Mortimer looks both exciting and complicated. If you’ve been chasing the imbued heart, grinding Slayer XP, or looking for a fresher way to train, this guide breaks down everything that matters. Should you stick with Duradel, keep using Konar, or switch into Mortimer’s new system?

Mortimer Changes Slayer Forever — But Not for Everyone

Mortimer is designed to offer a different style of Slayer rather than replace existing masters. He requires 70 Slayer, 100 combat, and a sailing level requirement, making him the newest high-end Slayer option in the game. Instead of giving one task outright, he offers multiple assignments with modifiers, forcing players to choose based on value, task length, and rewards.

This makes him very different from the usual “single best task” approach. He is built for players who enjoy weighing options instead of just chasing one perfect assignment through Turael skipping.

Who this suits best:

· Players who want more control over Slayer

· Accounts working toward multiple goals at once

· Players who enjoy a more strategic, less repetitive Slayer loop

· Anyone wanting a fresh alternative to the usual master rotation

The Task Choice System: Two Options First, Three Later

Mortimer starts by giving you two task choices each time you speak to him. As you complete more assignments, you eventually unlock a third choice at 100 completed tasks. That progression system is a big part of his identity, and mastering it is one of the smartest ways to buy cheap RS gold efficiently while enjoying the content. Every task comes with a modifier, and these modifiers are where the system gets interesting. Some tasks may offer:

· More Slayer points

· Changed task quantities

· Boosted Slayer XP

· Improved clue scroll rates

· Better superior creature drop chances

The key point is that you are not just taking a task anymore — you are choosing the best version of that task for your account goals.

Who this suits best:

· Players who like decision-making and optimization

· Mid-to-late game accounts building Slayer progress naturally

· Players who want more variety while leveling

Why Mortimer Feels Like a Breath of Fresh Air for Heart Hunters

The biggest talking point is the imbued heart grind. Mortimer exclusively offers tasks with superiors, which means he directly supports superior unique hunting.

That matters because some of the best heart-related tasks, such as Smoke Devils and Abyssal-related options, remain strong, while weaker superior tasks like Dark Beasts can now become much more appealing due to huge superior drop bonuses. In other words, Mortimer broadens the pool of worthwhile tasks instead of forcing players to repeat only the same few top picks.

This is where the system becomes very attractive for long grinds. If you want a grind that feels less stale and more flexible, buy OSRS gold at Rsorder, save your sanity, and enjoy the real endgame.

Who this suits best:

· Players hunting the imbued heart

· Iron accounts seeking superior uniques

· Anyone tired of repeating the same narrow task loop

· Long-term Slayer grinders who value variety

The Catch: Skips Are Painful, Blocks Are Limited

Mortimer’s freedom comes with real costs.

Here’s the downside:

· Skipping a Mortimer task costs 100 Slayer points

· Turael cannot reset Mortimer tasks

· You only get two block slots

· Each block costs 120 Slayer points

That means Mortimer is not a “skip everything bad” master. You need to think before you commit. If you receive a task you dislike, your choices are limited to:

1. Skip it

2. Store it

3. Finish it

Also, task stores are shared with the existing Slayer system, so storing Mortimer tasks uses normal storage space. This makes planning more important than ever.

Who this suits best:

· Players who manage Slayer points carefully

· Efficient planners who dislike wasted resources

· Players who can adapt instead of forcing one perfect route

The Modifiers: Why Every Task Can Matter

Mortimer’s modifiers are what make the system special. Each assignment has one modifier, and all modifiers have an equal chance of appearing. The main modifier types are:

· Points modifier

· Quantity modifier

· Clue scroll modifier

· XP modifier

· Superior drop rate modifier

A few important details stand out:

Points

Points are only gained if the task rolls a points modifier. Mortimer itself gives zero points by default, so this is not a reliable master for point farming.

Clue Scrolls

Clue boosts can be strong on paper, but the text suggests many will be hard clue-focused, which may not be ideal for everyone.

XP

The XP bonus is stronger on worse tasks and smaller on already efficient tasks. This helps equalize the Slayer pool somewhat, but it does not appear to replace the best pure XP masters.

Superior Chance

This is the standout modifier. Strong heart tasks get smaller boosts, while weaker superior tasks can get massive increases.

Who this suits best:

· Players balancing XP, clue hunting, and unique chasing

· Accounts that value flexible progress over raw efficiency

· Players who like judging tasks by multiple rewards

The Hidden Strength: Easy Access to More Tasks

Another major benefit is that Mortimer gives access to tasks like Griffins, Aquanites, Basilisks, and more without requiring the usual master-specific unlock path.

However, this also means you can’t simply avoid everything you dislike through unlock logic. If Mortimer can assign it, you may still have to deal with it. That gives the system a more “live with the pool” style, rather than a fully customized list.

He also works differently from other masters when it comes to task unlocks:

· Task extensions work

· Master-specific unlocks do not

· This creates a mixed pool of expected and surprise assignments

Who this suits best:

· Players who want broader task access immediately

· Slayers who enjoy a more organic progression path

· Accounts that do not mind extra variety

Is Mortimer Actually Better Than Duradel?

According to the text, Mortimer is not designed to replace Duradel or Konar. That matters a lot.

Duradel still matters because:

· He has more established boss-task access

· He offers tasks Mortimer cannot assign

· Over time, Duradel should improve further as more block slots unlock

Konar still matters because:

· If you want very specific tasks like Hydras, Turael skipping with Konar may still be faster

· Mortimer cannot be used in the same way for fast-target farming

So the real answer is simple: Mortimer is an alternative, not a universal upgrade.

Who this suits best:

· Players choosing between multiple Slayer masters strategically

· People hunting specific boss tasks

· Players who want the best master for a specific goal, not a one-size-fits-all answer

The Imbued Heart Verdict: Better, But Only for the Right Player

The text states Mortimer should become the new best Slayer master for the imbued heart, improving the estimated grind from around 80–100 hours down to roughly 65–80 hours at the top end once the third choice is unlocked.

That said, the difference is not huge for everyone.

Mortimer is likely best if:

· You are not yet 99 Slayer

· You want heart progress plus other rewards

· You value broader Slayer variety

· You like getting XP, clues, and superior uniques together

Duradel may still be better if:

· You are already 99 Slayer

· You have a dedicated heart setup

· You only care about the single most targeted grind

· You do not want to spend time unlocking Mortimer’s full power

This is the most important takeaway: Mortimer is strongest when your Slayer goals overlap.

Who this suits best:

· Mixed-goal accounts

· Iron players building long-term progression

· Players who want better heart odds without sacrificing all other value

Final Take: Should You Use Mortimer?

Mortimer is exciting because he makes Slayer feel more like a thoughtful journey and less like a task roulette. He offers:

· More choice

· Better superior hunting

· Strong variety

· Potentially improved heart grinding

· A fresh reason to keep doing Slayer

But he also demands more from the player:

· More point spending

· More planning

· More tolerance for awkward task pools

· Less freedom to brute-force skips

So if you are a player who likes efficiency and variety, Mortimer could be a very strong fit. If you want pure speed for a single target, another master may still be the better answer.

Who this suits best:

· Long-term Slayer players

· Ironmen and collection hunters

· Players who enjoy planning around multiple rewards

· Anyone looking for a more dynamic Slayer experience

Quick Tips

· Don’t rush Mortimer if you already have a perfect high-level block setup for one specific grind.

· If you want imbued heart progress, prioritize superior-friendly tasks and unlock the third choice as soon as possible.

· Save Slayer points carefully, because skips and blocks are expensive.

· Use Mortimer when you want progress across multiple goals, not just one target.

· If your goal is a very specific boss or task chain, another Slayer master may still be faster.

Core Benefits for Different Players

· For heart hunters: better superior variety and more task flexibility

· For XP grinders: useful bonus XP on selected tasks, though not the pure best XP route

· For clue hunters: extra clue-scroll opportunities can add value

· For iron accounts: more ways to progress without repeating the same narrow tasks

· For casual planners: a more engaging Slayer system with meaningful choices