Monster Hunter XX Armor Skill Recommendations

Source on specific numbers: http://wiki.mhxg.org/data/2200.html

Format is Skill name, followed up by the benefits it offers at each (positive) value, ending with the types of ornament that can grant it (first number is number of slots it takes, second is number of points granted.)

Offensive Skills

攻撃 Attack
20 - Attack Power +20
15 - Attack Power +15
10 - Attack Power +10
1-1, 2-3, 3-5

達人 Expert
20 - Critical +30%
15 - Critical +20%
10 - Critical +10%
1-1, 2-3, 3-5

会心強化 Critical Up
10 - Critical damage value increases from 1.25x to 1.4x
1-1, 3-4

火・水・雷・氷・龍属性攻撃 Fire/Water/Thunder/Ice/Dragon Atk
15 - Increases element damage by 1.10x + 6
10 - Increases element damage by 1.05x + 4
1-1, 2-3

特殊攻撃 Status
15 - Poison, Paralyze, Sleep, and Capture element values become 1.2x + 1
10 - Poison, Paralyze, Sleep, and Capture element values become 1.1x + 1
1-1, 2-3

闘魂 Spirit
15 - When a large monster in the same area is angered, increases attack power by 20 and critical rate by 15%
10 - When a large monster in the same area is angered, increases attack power by 10 and critical rate by 10%
1-1, 2-3

溜め短縮 Fast Charge
10 - Increases the speed at which Tachi/Souken/Slash Axe/Charge Axe gauges fill by 1.2x, certain Light Bow Gun Hunting Skills charge, and decreases time required for Taiken/Hammer/Yumi attacks to charge to 0.8x.
1-1, 3-4

Defensive Skills

防御 Defense
20 - Defense Power 1.06x +25
15 - Defense Power 1.03x +20
10 - Defense Power +15
1-1, 2-3

火・水・雷・氷・龍耐性 Fire/Water/Thunder/Ice/Dragon Res
15 - +20 (element) defense
10 - +15 (element) defense
1-1, 1-2

回避性能 Evasion
15 - Invincible time during evades increases from 0.2 seconds to 0.4 seconds
10 - Invincible time during evades increases from 0.2 seconds to 0.33 seconds
1-1, 2-3

回避距離 Evade Dist
10 - Extends the distance covered by an evade action by 1.5x
1-1, 3-4


Utility Skills

聴覚保護 Hearing
15 - Immune to monster roars (not including damaging ones like Tigarex)
10 - Immune to some monster roars (may look into making list of which)
1-1, 3-4

風圧 Wind Res
15 - Immune to wind effects from everything except Kushal Daora's black wind. Kushal's black wind's effect is reduced to the effect of normal "large" winds.
10 - Immune to small wind effects (which?)
1-1, 2-3

耐震 Tremor Res
10 - Immunity to earthquake/shaking effects
1-1, 1-2

龍気　D. Instinct
10 - While under 2/3 HP, you are inflicted with the Dragon element status ailment (weapon element is reduced to 0) but all element defense values become 50 and attack power becomes 1.1x. When healed above 2/3 this effect fades.
1-1, 3-4

Swordsman Skills

匠 Handicraft
15 - Lengthens the sharpness gauge of most Swordsman weapons by two levels
10 - Lengthens the sharpness gauge of most Swordsman weapons by one level
1-1, 3-4

抜刀会心 Crit Draw
10 - Critical +100% on attacks that unsheath the weapon.
1-1, 2-3

Gunner Skills

速射 Rapid Fire
10 - Light Bow Gun rapid fire chains become one shot longer.
1-1, 3-4

通常弾強化 Normal/Rapid Up
10 - Power for Normal Bullets and Rapid Fire Arrows becomes 1.1x.
1-1, 3-4

貫通弾強化 Pierce/Pierce Up
10 - Power for Piercing Bullets and Piercing Arrows becomes 1.1x.
1-1, 3-4