Enhanced Muscle Coil   
Dow2 tyr enhanced muscle coil icon Unit(s) Ravener Brood Enables the Burrow ability, allowing Raveners to bypass terrain and gain the effects of infiltration. Resurfacing will knock back and temporarily stun nearby enemies.
Tier 1
Cost Dow2 req 1650 Dow2 pow 1620 Rt time 1615
Dow2 tyr devourer icon Unit(s) Ravener Brood Mutates the Ravener Brood to use devourers, ranged weapons effective against infantry. Melee attack is changed from power melee to regular melee.
Tier 2
Cost Dow2 req 16100 Dow2 pow 1630 Rt time 1615
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