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Wyrm Eggs

Conjuration
Dragon
Fire
Ice
Level 7
Range 5 (Ignores LOS)
Charges: 1
Summons 4 Wyrm eggs near the caster.
Upon death, these eggs hatch into Wyrms.
Wyrms have 75 HP, and regenerate 8 HP per turn.
Each wyrm is either a fire or an ice wyrm, being immune to its own element, but taking 50% extra damage from the other.
The wyrms have melee trample attacks dealing 14 physical damage and breath attacks that deal 7 damage of the appropriate type.
The ice wyrm breath weapon freeze units in the affected area for 2 turns.

Attributes:

2Duration
14Minion Damage
7Breath Damage
75Minion Health
7Minion Range
4Num Summons

Upgrades:

4 - Magic Eggs
Fire eggs cast your Fireball on a 3 turn cooldown, and Ice eggs cast your Icicle on a 3 turn cooldown.
5 - Radiant Eggs
Wyrm Eggs gain a 1 damage 3 radius aura of their element type.
4 - Scale Harvest
For every 6 allied dragons that die, gain a charge of Wyrm Eggs.