Spikeball Factory
Metallic
Conjuration
Level 7
Charges: 1
Summon Spike Ball Spawners in unoccupied adjacent tiles

Attributes:

10Minion Damage
60Minion Health

Upgrades:

3 - Defense System
Spike Ball Spawners gain a 10 Physical damage, 5 range, ranged attack
6 - Manufactory
Surrounds the initially summoned spawners with another layer of spawners
7 - Copper Spikeballs
Summons Copper Spike Ball Spawners instead
Adds the Lightning tag
9 - Overclocked Assembly
The spawners' summoning spell cooldown is halved