FShttps://irowiki.org/wiki/FS

FS is an acronym and can stand for:

• Fighting Spirit, an enchantment.
• Freezing Spear, a Ninja skill.
• Full Support; a character build with the primary purpose of aiding and supporting other characters versus dealing damage themselves. Common Full Support classes include: Priest/High Priest, Sage/Scholar, Dancer/Gypsy, Bard/Minstrel.
• Full Divestment, also referred to as Full Strip often.