From Lineage 2 Encyclopaedia

Properties

Archer's Will
When a bow/crossbow is used, Accuracy increases by 8 and range increases by 50. When attacking, the physical skill's power and Critical Rate are increased at a fixed rate.
Class	Phoenix Knight
Type	passive
Attribute	-
Recast time	0 s
Cast time	0 s
Cast range	0
Item for learning skill	Forgotten Scroll: Archer's Will
Classes with same skill	Duelist, Dreadnought, Phoenix Knight, Hell Knight, Sagittarius, Adventurer, Evas Templar, Sword Muse, Wind Rider, Moonlight Sentinel, Shillien Templar, Spectral Dancer, Ghost Hunter, Ghost Sentinel, Titan, Grand Khavatari, Fortune Seeker, Maestro, Doombringer, Soul Hound, Soul Hound-, Trickster, Judicator

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
81	1	When a bow/crossbow is used, Accuracy increases by 8 and range increases by 50. When attacking, the physical skill's power and Critical Rate are increased at a fixed rate.	0	0	6500