Lliira's candle of calm

[Theodore01]

Harper priests

Lliira's candle of calm:
Level : 6
School : Evocation
Target: 1 to 4 creatures in a Gargantuan area.
Saving Throw: Will negates
Spell Resistance: Yes
This spell conjures a lit magical candle, all creatures in a 70 feet radius must make a will saving throw. If they fail they are blind for 1d4 rounds and take a -5 AB penalty for 1 round/CL, if not they take a -5 AB for 2 rounds, then -4 AB for 2 rounds, -3 AB for 2 rounds, -2 AB for 2 rounds, -1 AB for 2 rounds.

What is true: all creatures or 1 to 4 ???

[Valefort]

All