Fatima come with this spell when she join your party in chapter 23. It costs 43 MP, has range of 5 and target 13 tiles and may inflict freeze status as well. During the battle in Shattered Dream Freeze Dust costs only 33 MP.
It has flavor text "Freezes an area".
|MP||43||Multiplier||Magic Stat x3|
Freeze Dust is once again used by Fatima and this time it costs 99 MP to be casted. Fatima will only use Freeze Dust when is has full HP and your units is far from her by 9 panels.
It has flavor text "Freeze an area".
|MP||99||Multiplier||Magic Stat x1.4|