Instrument Expert

Passive

10 ranks

Instrument Expert

Increases trap damage by 2%. Reduces SP Cost of trap skills by 2%

Skill type: Passive

Effect scaling

Maximum-level buff, passive, duration, chance, and attribute results with a resolved per-level formula.

Level 10

Max-level result Ignore Physical Defense At Lv. 10: +10%
Scaling rule: +1% × skill level + 0%

Affects: Self

Max-level result Skill Damage At Lv. 10: +10%
Scaling rule: +1% × skill level + 0%

Affects: Self

Skill access

Learned by

Requires

Level comparison

Start with the max-level result, then compare exact client values and learning costs at every lower level.

Levels 1–10

Metric	Max level Level 10	Level 9 Level 9	Level 8 Level 8	Level 7 Level 7	Level 6 Level 6	Level 5 Level 5	Level 4 Level 4	Level 3 Level 3	Level 2 Level 2	Level 1 Level 1
Skill points	1	1	1	1	1	1	1	1	1	1
Applied effects	Self SP Cost Reduction: -20% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +10% +1% × skill level + 0% Skill Damage: +10% +1% × skill level + 0%	Self SP Cost Reduction: -18% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +9% +1% × skill level + 0% Skill Damage: +9% +1% × skill level + 0%	Self SP Cost Reduction: -16% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +8% +1% × skill level + 0% Skill Damage: +8% +1% × skill level + 0%	Self SP Cost Reduction: -14.00% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +7.00% +1% × skill level + 0% Skill Damage: +7.00% +1% × skill level + 0%	Self SP Cost Reduction: -12% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +6% +1% × skill level + 0% Skill Damage: +6% +1% × skill level + 0%	Self SP Cost Reduction: -10% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +5% +1% × skill level + 0% Skill Damage: +5% +1% × skill level + 0%	Self SP Cost Reduction: -8% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +4% +1% × skill level + 0% Skill Damage: +4% +1% × skill level + 0%	Self SP Cost Reduction: -6% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +3% +1% × skill level + 0% Skill Damage: +3% +1% × skill level + 0%	Self SP Cost Reduction: -4% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +2% +1% × skill level + 0% Skill Damage: +2% +1% × skill level + 0%	Self SP Cost Reduction: -2% Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap Self Ignore Physical Defense: +1% +1% × skill level + 0% Skill Damage: +1% +1% × skill level + 0%
Description	Increases trap damage by 20%. Reduces SP Cost of trap skills by 20%	Increases trap damage by 18%. Reduces SP Cost of trap skills by 18%	Increases trap damage by 16%. Reduces SP Cost of trap skills by 16%	Increases trap damage by 14%. Reduces SP Cost of trap skills by 14%	Increases trap damage by 12%. Reduces SP Cost of trap skills by 12%	Increases trap damage by 10%. Reduces SP Cost of trap skills by 10%	Increases trap damage by 8%. Reduces SP Cost of trap skills by 8%	Increases trap damage by 6%. Reduces SP Cost of trap skills by 6%	Increases trap damage by 4%. Reduces SP Cost of trap skills by 4%	Increases trap damage by 2%. Reduces SP Cost of trap skills by 2%

Applied effects

Maximum-level buffs, conditions, and stat changes.

Level 10

Self

Applied change

Affects Skill

SP Cost Reduction: -2%
Affected skills: Land Mine, Ankle Snare, Claymore Trap, Sandman Trap, Frost Trap, Electric Shock, Blazar Trap, Dark Matter Trap, Star Searching Trap, Comet Trap

Instrument Expert

Self

Applied change

Ignore Physical Defense: +10%; Formula: +1% × skill level + 0%
Skill Damage: +10%; Formula: +1% × skill level + 0%

How to compare skill levels

Compare damage, hits, SP, timing, requirements, and linked buffs at the same level. A new hit, target scope, or condition can matter more than the largest percentage increase. Read the related player guide