② Attack Up

( (Weapon Attack + Style Boost Value) × ① Attack Multiplier + ② Attack Up + Drift Parameters) × ③ Attack Efficacy Round Down

※This corresponds to the red underlined section and is the "additive calculation" of physical attack.

Calculation Rules within the Same Category

Skills belonging to the same category (Attack Up category) are added together.

List of Applicable Skills

Skill Name Lv1 Lv2 Lv3 Lv4 Lv5 Condition
Attack Boost 50100150200300
Peak Performance 100200300400500 When HP is full
Hellfire Cloak 0150250-- While afflicted with Hellfireblight
Valor 4005507008501000 After a monster's roar
Shared Sword 80160240320400 During group hunts
Raw Power 100200300400500

When the "Attack Boost" skill reaches Lv5, additional attack power is granted by applying "Advanced Attack Boost".

Skill Name Lv1 Lv2 Condition
Advanced Attack Boost 150 350 Only when the Attack Boost skill is at Lv5

Additionally, Rising Tide increases attack power over time and is added as part of the Attack Up category.

Lv 0s 25s 50s 75s 100s 125s
1 (+40 / tick) 04080120160200
2 (+80 / tick) 080160240320400
3 (+120 / tick) 0120240360480600
4 (+160 / tick) 0160320480640800
5 (+200 / tick) 02004006008001000

From the skills in this category, it can be seen that Valor is a highly effective skill, capable of increasing attack power by up to 1000 after a roar.

As explained in ① Attack Multiplier, Attack Up and Drift Parameters are added after applying the Attack Multiplier. Do not round down intermediate values; round down only once, after applying ③ Attack Efficacy.

Worked example: When to add Attack Up

The following assumed values illustrate the MHNowCalc formula. They are not measurements or the performance of a specific equipment build.

Assume Weapon Attack 1,000, Style Boost Value 0, Attack Multiplier 20%, Attack Up 100, Drift Parameters 10, and Attack Efficacy 0%.

Apply ① first: 1,000 × 1.20 = 1,200. Then add 100 and 10.

(1,200 + 100 + 10) × 1.00 = physical attack 1,310.

Adding 100 and 10 before multiplying by 1.20 would give 1,332, which does not follow this formula. ① does not multiply the flat increase from ②.

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