ver.

Wall of Ice

Conjuration
Ice
Level 4
Range 7
Charges: 3
Summons a line of ice elementals with a length of 7 tiles.
Ice elementals have 36 HP, 50 physical resist, 100 ice resist, -100 fire resist, and cannot move.
Ice elementals have a ranged attack which deals 5 ice damage at a range of up to 3 tiles.
The elementals vanish after 15 turns.

Attributes:

3Radius
15Minion Duration
5Minion Damage
36Minion Health
3Minion Range

Upgrades:

3 - Hungry Wall
+1 minion duration whenever an enemy dies of ice damage
5 - Fae Wall
Ice Walls gain fae modifier.
7 - Endless Wall
Infinite radius, make floors out of tiles in AoE.