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Simulation guide: Krosus

I showed earlier that our Krosus model matches real-life logs from top Warcraft players. That makes these simulations incredibly useful because the advice you get is based on real situations. Below is a guide to help you simulate different scenarios to see how it impacts your DPS. You can also take the scenario closest to how you play and generate stat weights from that.

Step 1: Load your character into the simulator

Click this link to go to the simulator. Load your character from the armory, or the addon import.

Step 2: Review your character setup

The left side of the simulator page is all about your character. Click the plus signs to expand sections, like talents. Click on gear in the list to select different gear, relics, or enchants.

How to sim Krosus Continue reading

Havoc – Keep it Simple.

In this article, I am going to show that a very simple Havoc rotation is also the optimal rotation. I decided to do this after looking at the current default SimC APL, which I feel is unnecessarily complex for a spec that has a very simple action priority.

The first step is showing how to effectively compare simulations to combat logs, and make sure that we can make a simulation that matches what players are doing. Second, I will compare the same simulations in AMR and SimC and highlight some differences between the two simulation models. Third, I will compare the actual rotations and show that you can achieve practically identical results with two very different-looking rotations.

Continue reading

7.2 Artifact Paths

The question at the top of everyone’s mind today: “How should I spend my artifact points after 7.2?”

You can get an automated, customized answer from Mr. Robot’s simulator. Here’s a short video tutorial that covers 2 ways to do it. Note – you might want to run this for both Krosus (single target) AND Spellblade (AoE) to see how the paths might differ. Then decide based on your needs.

If something seems odd, head over to our forums and ask about it before spending the points.

Sorry for the choppy video, I recorded it while letting my computer chug through some site testing! I’ll update this post with a picture tutorial and more info soon. I wanted to get this out asap since I know a lot of you are raiding and hoping to spend your points.

This is a totally free feature. And if you like the tools Mr. Robot provides you can upgrade for just $12 a year and also get things like Best in Bags and the Upgrade Finder (and of course, ads are removed).

Krosus simulations match real combat logs

Before 7.2 came out, I wanted to share some examples of tests I do to make sure our simulator is accurate. This is the kind of testing we will continue to do after 7.2 launches and again with Tomb of Sargeras.

Meanwhile, for Nighthold, you might have seen that we have actual NH bosses in the simulator, which takes theorycraft and gearing advice to the next level. Why? In past expansions, advice has been based on generic fights that don’t exist in the game.

Generic fight sims limit the ability to optimize rotations, compare trinkets, relics or talent choices. You’re missing a big piece of the puzzle – the actual fight. So when we built our simulator, we set out to recreate the actual bosses and have the whole simulator (rotations and bosses) match combat logs from top players.

I wanted to determine if we were able to simulate so accurately, that we matched logs.

TLDR: YES! I started with DPS and reviewed dozens of logs for each spec on Krosus and share a few examples below. There are some special notes for a handful of specs, so be sure to read the specifics for the class(es) you play. If you have questions, head over to this thread on our forums. Continue reading

Spellblade script setup in Ask Mr. Robot

Why the Spellblade script matters:

The Spellblade script models the fight very closely when executing the fight well, for a 20-person group. The simulator also takes into account the chance you are targeted with something bad (like Mark of Frost) and have to move. When that happens, the rotation automatically starts using spells that are castable while you run.

We also modeled in the adds, grouped appropriately for AoE damage like the Icy adds, or spread out a bit more like the fiery adds. However, we reviewed hundreds of logs to find the trends of how people are grouping the adds. We modeled them accordingly. We also found the average time-to-live for each of the type of adds, and the simulator picks a random amount of time for them to live within the specified range. That being said, how much your DPS the adds in a particular, actual fight, can make a big difference on your DPS.  Continue reading

Krosus script setup in Ask Mr. Robot

Click here to start a simulation

Why the Krosus script matters:

The Krosus script models the fight very closely when executing the fight well.  It’s helpful to use because you can see how the mechanics affect your DPS.

For example, during bridge breaks, melee are out of range for 6 seconds, which can lower your DPS by 15-40k over the course of the fight, compared to a target dummy or ‘patchwerk’ style fight where you dps and never have to move.

This type of setup allows you to more closely model the game, which generates better stat weights, gear recommendations, and makes comparing talents (etc) more realistic. Continue reading

Theorycrafting on Feral: AMR, SimC, and Pooling

Hey all, I’m Swol, the main theorycrafter for Ask Mr. Robot (AMR).  Most of you don’t know me by name, but I’ve been posting theorycraft here and there lately for interesting topics I run across when I have something useful to say that isn’t common knowledge yet.

Recently, some Feral Druid theorycrafters suggested that AMR was bad for feral druids, in general. When we asked them why they had that opinion, a big topic that came up was energy pooling.

In this article I am going to examine the theory behind energy pooling for feral druids and go into detail on how to test that theory. To do this, I will use the default Action Priority List (APL) found in the nightly SimC build and explain how it works.

And, I will also use an APL that I have developed which uses a different structure and, specifically, does not pool energy before using Rip. After this analysis, I will then provide a detailed comparison between the SimC simulator and AMR simulator for feral druids so that theorycrafters can comfortably trust and understand both tools.

The APL I created does NOT pool energy.

There has been some confusion on this and some vocal detractors have been spreading a rumor that my APL does pool. Look in the “Pooling Tests” section below for an explanation/proof that my new APL definitely does not pool energy.

Continue reading

6 Biggest stat weight questions, answered!

1. Do I need custom stat weights?


Mr. Robot already customized them for you, specific to each and every character.

“Stat weights” from guides are built for 1 character, not your character, which is why people tell you to sim your own. Instead of making you sim your own, we simmed it all for you. That’s right – we sim all of the talent and gear combos you might need to evaluate, before you even own the items or change your talents.

So when you get that gear, or change that talent, we already have the new set of stat weights waiting for you. They are automatically applied as your character changes… that’s why we call them “Adaptive Strategies.”

Also keep in mind that static stat weights can’t rank anything with a proc, which is half of your gear these days. That’s why our “adaptive strategies” use simulation data and machine learning to pick your stats and gear.


2. Should I use Ask Mr. Robot (AMR) or SimC?

It depends on what you want to do. If you’re simming just to find your DPS, both programs tend to be accurate, and both have very smart people working on them. Most classes collaborate across the platforms to make sure both are accurate as well since it’s in everyone’s interest to make sure both work. Anyway, pick your favorite.

However, when it comes to stat weights, SimC does a subset of what AMR does. One of the things we really focused on when we built our simulator was improving the accuracy of stat weight generation by using a statistically accepted practices. We also built the stat weight functions to integrate with gear ranking. Let me explain: Continue reading

Simulator Client Roadmap

Over the next several weeks we will be releasing updates to the simulation client to support a lot of cool upcoming features. We will do this in stages so that we have an opportunity to test out each stage and work out any issues that people might encounter.

General Features

These new general features are available as of this post, a few that have been there and a few you may not have noticed:

  1. The client auto-updates now. Once you download it and start it, you can theoretically let it run forever.
  2. There is a new “Clear Queue” option in the menu on the client program. Use this to cancel all running and pending simulations. Useful if you accidentally started a long-running simulation with the wrong settings, for example.
  3. As of 2/6, the client uses a different mode that can more fully utilize most CPUs, but uses a bit more memory. Should be faster for most people.

Continue reading

Nighthold is Live!

Here’s what you need to know!

Hotfixes went live in-game today 

  • Simulator: fully updated (though we are doing our routine checks to verify information. Tweaks will be happening over the next few weeks)
  • Stat weights: while updated, these may be tweaked over the next few weeks as we compare rotations to actual logs.
  • Legendaries: The 940 versions are now live
  • Trinkets and set bonuses: While we have game data on these, we like to verify everything about them against real logs. We are starting that process today and it might take a couple of weeks to complete. We do this to assure accuracy on our site.
  • Nighthold bosses: We’ll be adding Nighthold bosses to the simulator over the next few weeks. We’ll be killing bosses this week and working on getting those scripts into the simulator. If you’re some crazy awesome person who already made one, send it our way!

Continue reading

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