Skills and buffs

Each skill has four values that grow with its level: an MP cost, a damage figure, a duration and a general value the skill uses for its own purpose (targets, percent or ticks). Each is a base plus a step per level, from the skill table. The skill pages list them level by level.

Skill values

A value at skill level n is the base + (n minus 1) × the step:

• MP cost, what a use costs.
• The skill's value: the base and step, then divided by 10 when positive. The table stores it in tenths, so a base of 50 is 5 targets, 5% or 5 ticks.
• Damage: the figure the skill window shows. The hit itself uses one level more (damage).
• Duration, in ticks, for buffs only. 600 ticks are 30 seconds at the default game speed.

Example (made-up numbers): a skill with an MP base of 6 and a step of 2 costs 6 + 4 × 2 = 14 MP at level 5. A value base of 50 with a step of 10 gives (50 + 40) / 10 = 9 at level 5.

Buffs

Casting a buff pays its MP and starts its timer. Casting it again while it is on only restarts the timer; its stats are not added twice. When the timer runs out the buff and its stats go away. The buff's icon blinks in its last 30 ticks.

• Concentration and Concentration: ATT plus the damage figure, ACC plus the skill's value.
• Dark Sight: the hero turns see-through and touching monsters does no harm; attacking ends it.
• Meso Guard, Pickpocket and Shadow Partner: see accuracy, avoid and critical hits and damage.

Example: Dark Sight at level 1 lasts its base duration of 50 ticks, 2.5 seconds at the default speed; each further level adds 30 ticks, 1.5 seconds.

Passives

A passive applies as soon as points are spent on it. Points are limited by the free skill points and the skill's maximum level.

• Nimble Body: ACC and AVOID plus the skill's value.
• Critical Throw and Critical Stab: critical rate plus the skill's value.
• HP Mastery and HP Mastery, MP Mastery and MP Mastery: maximum HP or MP plus the skill's value as a percentage of the level table's sum.
• Weapon Mastery and Weapon Mastery: ATT plus the skill's value.

Example: Weapon Mastery has a value base of 30 and a step of 15 (in tenths). At level 3 it adds (30 + 2 × 15) / 10 = 6 ATT.

Sources

CSkill::MpCost 0x7D251, CSkill::EtcValue 0x7D325, CSkill::DamageValue 0x7D551, CSkill::Duration 0x7EC3D, CSkill::CastBuff 0x7F749 (the buff list at skills +0xD64), CSkill::TickBuffs 0x7F669 (from CHero::Flush), CSkill::EndBuff 0x7F581, CSkill::IsBuffEnding 0x7ED51, CSkill::LearnLevels 0x7F99D.