What is the Drop Rate for Magic Items by Act?

  • What is the Drop Rate for Magic Items by Act? Drew

    Blizzard's Patch notes sometimes provide data on the drop rate for an item level range in a specific Act/Difficulty.

    For example, the 1.0.3 notes provided this information :

    High-end items (items level 61-63) will now drop in all Acts of Inferno and Acts III and IV of Hell difficulty
    The new approximate drop rates are as follows:
    Hell - Act III and Act IV
    iLvl 61: 9%
    iLvl 62: 1.9%
    iLvl 63: 0%

    I'd like to know exactly this information, but for items from 1 to 63, and all Acts/Difficulties. I find myself trying to decide between playing in an Act that is really hard for my character, or going back to something easier to grind for gear. It would help to know if the gear from previous acts is likely to help me, or if I would just be getting items too low to use.

  • The Official Brady Games Diablo III guide says this about the loot system.

    "If a monster drops loot, the quality of the item(s) dropped is most affected by the monster's level. If the loot bursts from an environmental object like a chest or barrel or pile of bones, the type/quality of items is most affected by where you're at in the game.

    Other factors can come into play, as well. The fact is, Diablo III monsters can drop a wide range of loot items, but the odds of a low-level monster dropping a high-quality item are extremely small. So overall, it works just as you'd expect: The higher a monster's level, the better chance that it drops good loot after you slay the beast."

    It also goes on to say;

    "Again, there are ranges of quality for both the base item and for any affixed special properties. As we said, the primary variable that determines the quality of a slain monster's loot drop is the monster's level----the higher the monster level, the more the odds are weighted in favor of it dropping a higher quality base item, and the better chance that the game will also attach higher quality enhancements (or "affixes") to that base item.

    These item/affix ranges are divided into "tiers" that correspond to the monster levels. If the monster is a low-level creature, chances are that any gear it drops will be selected from the lower tiers of items, and enhancements assigned (if any) will be from lower-tier affixes. Thus, each monster is said to have a "treasure tier" based on its level----the game tends to drop random items selected from item/affix tiers that correspond to the monster's level."

    This is why the patch notes you quoted say "The new approximate drop rates are as follows" since drops from mobs are not based on act but monster level.

    When I have some time I'll compile a list of the level ranges for each act/difficulty since the guide does have a complete list of the bestiary complete with monster levels.

    To be honest I think you're over thinking it a bit. If you're level 60 then you should be farming the highest act you can reasonably do no lower than act 3 Hell mode and if you're lower than level 60 then farm the highest act you can farm efficiently. Farming one act back from whatever act is giving you trouble will give you a chance at gear you can use.


    • Act 1 has ilvl 61 mobs
    • Act 2 has ilvl 62 mobs
    • Acts 3 & 4 have ilvl 63 mobs

    There are some higher (and lower in act 2) level mobs in both acts 1 & 2 but not many. Act 1 has one ilvl 63 (spiderlings) for instance.

Related questions and answers
  • From the official patch notes: High-end items (items level 61-63) will now drop in all Acts of Inferno and Acts III and IV of Hell The new approximate drop rates are as follows: Hell - Act III and Act IV iLvl 61: 9% iLvl 62: 1.9% iLvl 63: 0% [...] I'd like to know if this also affects Whimsyshire: Do mobs there (on Hell difficulty) also drop ilvl 61/62 now? I think so because mobs in Whimsyshire usually seem to drop items of the same quality as Act IV of the chosen difficulty. Otherwise, the entrance to the secret level is located in Act I which isn't

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  • Possible Duplicate: Can ilvl 59-60 items compete with ilvl 61-63 items? In 1.0.5 turning on monster power makes all levels of inferno items able roll level 63 affixes. Does this ability to roll higher stats affect base dps of weapons or base armor of items as well? The main goal of this question is to determine what items should be discarded if they have no chance for rolling maximum stats. Bonus points if you can determine the likelihood that lower level items can roll 63 affixes and base stats. I.E. Just because level 61 items can roll 63 affixes, doesn't mean they have

  • I understand that item level determines where an item can drop (act/difficulty) and what affixes it can have, but I am having trouble finding information that clearly states the following: The earliest act/difficulty where you can find each item level, and The item levels for each range of each affix. For the former, I have only found information about ilvl 60 - 63 but I would like information for all item levels. For the latter I have only found this page linked on another question, but it's not clear where each "tier" of affix can drop.

  • Possible Duplicate: Does Whimsyshire drop better loot than other areas? I want to know if spending money on upgrading the staff of herding all the way up to inferno is worth it, is the loot good enough to warrant upgrading my staff? Update Also, how hard is it? I currently can't get past Act 2, but I got the plans with a bug I've found (you start any quest in Hell, go to Public Games, and you are given the option to join that same quest but in inferno, even if you haven't cleared the previous acts.)

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