Flash Frost (PF, spell, PEACH)

[Wahrheit]

I had this pop into my head. Think it works?
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Flash Frost

School evocation [cold]; Level magus 1, sorcerer/wizard 1, witch 1

Casting Time 1 standard action
Components V, S

Range 15 ft.
Area 15-ft. line
Duration instantaneous
Saving Throw Fortitude partial; Spell Resistance yes

A freezing blast erupts from your fingertips.

Any creature in the line of ice takes 1d4 points of cold damage per caster level (maximum 5d4) and is entangled for 2 rounds. A successful Fortitude save halves the damage and negates the entanglement.

[Saidoro]

The save should halve damage. Even after that change it'll be a bit stronger than most blasts of its level, but that's not really a problem since blasts tend to be terrible without major optimization.

[Wahrheit]

True enough. This spell's main disadvantage compared to Burning Hands, which I based it off of, is that it's a line instead of a cone, so a maximum of 3 targets hit instead of 7. Seems like the 2-round entangle is worth it, compared to 1st-level spells' usual 1-round secondary status effects?