Thread: RuneScape Combat Formulas [Max Hit/Accuracy/Extra]

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  1. #1 RuneScape Combat Formulas [Max Hit/Accuracy/Extra] 
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    R-S Mod Response  Corey

    This thread does not contain the entire contents of the thread from the RuneScape forums, which has also since been deleted.

    The original thread has been archived here: [Only registered and activated users can see links. ]


    I was looking for some important data/formulas regarding combat when I found this runescape thread. It's not written by any official developer or anything, but it's pretty accurate and helpful.


    Welcome,

    this comprehensive thread discusses the mechanics of the Old School Runescape combat system.

    The posts below contain an elaborate explanation of how combat skills work in Runescape and how the game uses skill stats with equipment and various bonuses to calculate damage output. I recommend the use of a spreadsheet or some sort of advanced calculator to complete the steps. I've made a google spreadsheet myself, the link is publicly available and can be found on my twitter (see signature below).


    Credits:

    The maximum hit formula below is largely based on the original maximum hit formula thread by Obliv from back in 2007. I've taken the liberty of updating it for Old School Runescape.

    Also thanks to the following players for their contributions, corrections and suggestions to this thread:

    Woox
    Downlifter
    ChocolatOgre
    Henke18
    Meric


    Feel free to leave a comment or question, as I'm always looking for feedback and improvements
    | 2. | Table of contents


    Post 01. 1. Introduction
    Post 02. 2. Table of contents
    Post 03. 3. Max hit formula
    Post 04.
    Post 05.
    Post 06. 4. Magic max hit formula
    Post 07. 5. Accuracy formula
    Post 08.
    Post 09.
    Post 10. 6. Extra information
    Post 11.


    Other info:
    ~ indicates an approximation.
    ? indicates an unknown or uncertain bonus.
    • indicates a choice in a list where you can only pick one option.

    Visible level means the level with any (potion) boost included.

    You can check the defence stats of a monster by using the monster examine spell on it.
    For NPC rolls, always use the default stance bonus of +9.
    | 3.4 | Special attacks


    There are two types of special attacks. I've divided them in two subsections.

    | 3.4a | Make sure you have rounded down your max hit from 3.1.

    a. Multiply by the bonus of one of the following items:

    Melee:
    • Black mask: 7/6
    • Salve amulet: 7/6
    • Salve amulet (e): 1.20

    Ranged:
    • Black mask (i): 1.15
    • Salve amulet (i): 1.15
    • Salve amulet (ei): 1.20

    (Note: the black mask bonus is ignored when using a salve amulet)

    b. Round down to the nearest integer.
    c. Multiply by the bonus of one of the following items:

    Melee:
    • Abyssal dagger: 0.85
    • Abyssal bludgeon: between 1 and 1.495 (0.5% for every lost prayer point)
    • Arclight: 1.70 (vs. demons)
    * Armadyl godsword: 1.10
    • Bandos godsword: 1.10
    • Barrelchest anchor: 1.10
    • Dragon claws: subtract 1
    • Dragon dagger: 1.15
    • Dragon/crystal halberd: 1.10
    • Dragon longsword: 1.25
    • Dragon mace: 1.50
    • Dragon sword: 1.25
    • Dragon warhammer: 1.50
    • Obsidian armour: 1.10
    • Rune claws: 1.15
    • Saradomin godsword: 1.10
    • Saradomin sword: 1.10
    • Saradomin's blessed sword: 1.25
    • Zamorak godsword: 1.10

    Ranged:
    • Ballista, heavy or light: 1.25
    • Dark bow, with dragon arrows: 1.50
    • Dark bow, without dragon arrows: 1.30
    • Diamond bolts: 1.15
    • Dragon hunter crossbow: 1.10 (vs. dragons, wyverns, Great Olm)
    • Magic longbow, shortbow, composite or seercull: on page 2, see: 6.3.
    • Onyx bolts: 1.20
    • Opal bolts: 1.25
    • Rune thrownaxe: on page 2, see: 6.3.
    • Toxic blowpipe: 1.50
    • Twisted bow: (250 + truncate[(3*magic-14) /100] - truncate[(0.3magic-140)² / 100]) /100


    d. Round down to the nearest integer.
    e. If a PvP protection prayer is used, it reduces the max hit by 40% at this point. Multiply by 0.6 and round down to the nearest integer. Go to 3.4b.

    See more:
    [Only registered and activated users can see links. ]
    Last edited by Corey; 09-04-2019 at 07:40 PM.
    [Only registered and activated users can see links. ]

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    If you're looking for accurate max hits, you could simply rip the formula from TipIt's max hit calculators (it's really not that hard to convert the JavaScript)...



    However, I think closeness to Runescape's formula is more detrimental to an RSPS than beneficial, especially if you've got a large player base who are used to typical, shitty, unrealistic, unbalanced combat.
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    nice information
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    useful, thanks
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    Quote Originally Posted by Flash View Post
    If you're looking for accurate max hits, you could simply rip the formula from TipIt's max hit calculators (it's really not that hard to convert the JavaScript)...



    However, I think closeness to Runescape's formula is more detrimental to an RSPS than beneficial, especially if you've got a large player base who are used to typical, shitty, unrealistic, unbalanced combat.
    Very true, I'm using it for my max hit calculations. Closeness to runescape's formula is better nowadays because lots of people pk on osrs, and you dont want ur server to feel like another noobish one.

    Code for max hit calculation if you're interested & lazy [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    Quote Originally Posted by Velocity View Post
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    Quote Originally Posted by Tyluur View Post
    Very true, I'm using it for my max hit calculations. Closeness to runescape's formula is better nowadays because lots of people pk on osrs, and you dont want ur server to feel like another noobish one.

    Code for max hit calculation if you're interested & lazy [Only registered and activated users can see links. ]
    Thanks, this thread and the snippet are useful. Won't be using it but been following RedRune for a bit on [that other forum], could clean up that function a bit though .-.

    Join the Zenyte discord below to keep up with the development, and grow with our community! 2000+ members and 7000+ registered in one week!
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    Quote Originally Posted by Noele View Post
    Thanks, this thread and the snippet are useful. Won't be using it but been following RedRune for a bit on [that other forum], could clean up that function a bit though .-.
    That function is from [Only registered and activated users can see links. ], archived back from 2012, surprisingly bad though lol.
    Link incase you're wondering [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    Quote Originally Posted by Velocity View Post
    i'd love to get called in the middle of the night just to hear an indian voice whisper "the nulls are back friend, how i fix"
    Quote Originally Posted by Savions View Post
    ive seen eastern europe prostitutes with a brighter future than this project
    Reply With Quote  
     


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