Interval Reduction
Interval Reduction is a mechanic that reduces the amount of time it takes to complete a skilling action. The time reduction is always based on the base interval for the action. This means that, if an action has a 5 second base interval, a 10% interval reduction will always decrease the timer by 0.5 seconds. This is regardless of how much the interval is reduced already. Similarly, flat reduction modifiers (of the type "-0.10s Interval") are also applied without being modified by the percentage bonuses. After applying bonuses, the interval is rounded down to a multiple of the game tick (0.05s) and capped to a minimum action time of 0.25 seconds.
The game offers global interval reduction (which applies to every skill) and interval reduction for a specific skill. Both of these bonuses stack and are treated as equal. -10% global interval reduction has the same effect as, for instance, -10% Agility interval reduction.
The full interval calculation is therefore:
[math]\displaystyle{ \text{Effective Interval} = \max\left( \left\lfloor \frac{\text{Base Action Interval} \times \left(1 - \text{Sum of Percentage Reductions} \right) - \text{Sum of Flat Reductions}}{0.05} \right\rfloor \times 0.05, 0.25\right) }[/math]
Compounding of Interval Reduction
Since the interval reduction is always based on the base action time, this means that the interval reduction becomes exponentially more impactful. The impact of the interval reduction can be calculated as follows:
[math]\displaystyle{ \text{Effective Reduction} = \frac{1}{1 - \text{Interval Reduction}} }[/math]
The graph above shows the relation between the interval reduction percentage, and the effect it has on the current interval. If a player equips -10% interval reduction on a skill with a base interval of 5 seconds, this deducts 0.5 seconds from the interval, or an effective reduction of 10% at 0% interval reduction.
However, if a player equips that same -10% interval reduction while they already have -50% interval reduction, the action time will go from 2.5 seconds to 2 seconds. This is an effective interval reduction of 20%.
This is also what the graph shows. The interval reduction gets a greater effect the higher the interval reduction already is. It is therefor important to use as many interval reduction items as possible, since their effects grow exponentially.
Sources
For a list of boosts that apply to all skills, see the Skill Boosts page.
| Skill | Page |
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Combat boosts |
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Farming boosts |
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Woodcutting boosts |
Error creating thumbnail: File missing Fishing |
Fishing boosts |
Error creating thumbnail: File missing Firemaking |
Firemaking boosts |
Error creating thumbnail: File missing Cooking |
Cooking boosts |
Error creating thumbnail: File missing Runecrafting |
Runecrafting boosts |
Error creating thumbnail: File missing Herblore |
Herblore boosts |
Error creating thumbnail: File missing Agility |
Agility boosts |
Error creating thumbnail: File missing Summoning |
Summoning boosts |
Error creating thumbnail: File missing Astrology |
Astrology boosts |
Error creating thumbnail: File missing Alt. Magic |
Alt. Magic boosts |
Error creating thumbnail: File missing Cartography |
Cartography boosts |
Error creating thumbnail: File missing Archaeology |
Archaeology boosts |
Error creating thumbnail: File missing Harvesting |
Harvesting boosts |
| Melvor Idle version v1.3.1 (Released: 30th October 2024) |
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| Skills: Error creating thumbnail: File missing Farming • Error creating thumbnail: File missing Township • Error creating thumbnail: File missing Woodcutting • Error creating thumbnail: File missing Fishing • Error creating thumbnail: File missing Firemaking • Error creating thumbnail: File missing Cooking • Error creating thumbnail: File missing Mining • Error creating thumbnail: File missing Smithing • Error creating thumbnail: File missing Thieving • Error creating thumbnail: File missing Fletching • Error creating thumbnail: File missing Crafting • Error creating thumbnail: File missing Runecrafting • Error creating thumbnail: File missing Herblore • Error creating thumbnail: File missing Agility • Error creating thumbnail: File missing Summoning • Error creating thumbnail: File missing Astrology • Error creating thumbnail: File missing Alternative Magic • Error creating thumbnail: File missing Cartography • Error creating thumbnail: File missing Archaeology • Error creating thumbnail: File missing Harvesting
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| Other: Error creating thumbnail: File missing Beginners Guide •  Guides • Error creating thumbnail: File missing Bank • Error creating thumbnail: File missing Combat • Error creating thumbnail: File missing Mastery • Error creating thumbnail: File missing Money Making • Error creating thumbnail: File missing Shop •  Easter Eggs •  Pets • Error creating thumbnail: File missing Golbin Raid • Error creating thumbnail: File missing Full Version •  Throne of the Herald •  Atlas of Discovery • Error creating thumbnail: File missing Into the Abyss
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| Reference Tables: Items, Equipment, Experience Table, Upgrading Items, Combat Areas, Slayer Areas, Dungeons, Strongholds, The Abyss, Monsters |
