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Though Chaos 9 and 10 exist in the game, the Chaos level of a mod cannot go above Chaos 8.
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If you do not receive a 10/10 mod after 1705 mod drops, your next mod is guaranteed to be 10/10 quality.The pity counter is universal and carries over between all mods, and the counter will reset if you reroll into a 10. If you are unable to reroll the quality to a 10 after 285 rerolls, you are guaranteed a 10 on your next reroll. The quality of a mod can be rerolled by using mod reroll tokens.The lower qualities are very similar in power. The highest qualities (9 and 10) are significantly more powerful than the lower qualities (1 through 8). The quality of a mod ranges from 1 to 10.Technically, removing all heroes other than the Lavamancer from your party would give you the best chances, but doing so only increases your chances by less than a tenth of a percent. If you wanted to obtain a mod specific to a hero such as Embermount Flames for the Lavamancer, putting the Lavamancer in your party is sufficient.The Barbarian and the Gunwitch will add all Hero-specific mods to the drop table. Hero-specific mods are added to the drop table if the Hero the mod is for is present as one of the 4 Heroes in your party.Certain items have locked mods that cannot be tinkered, though they can be rerolled.
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Weapon and Armor mods have the "Chip" suffix whereas Relic mods have the "Servo" suffix.Legendary item drops come with 2 mods, Mythical and Epic item drops come with 1 mod, and all lower rarity drops come with no mods.Legendary items have 3 mod slots, Mythical items have 2 mod slots, Epic and Powerful items have 1 mod slot, and Sturdy and Worn items have no mod slots.The strength of a mod is determined by its two properties - quality and Chaos level.
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