Editing Age of Sigmar/Tactics/Chaos/Skaven (section)

===Warpcog Convocation===
''One Arch-Warlock, 2-5 Enginecovens chosen from the list below''

Weird sort of miniature Super Battalion which consists of an Arch-Warlock and some smaller Battalions that can only ever be included via this battalion. All of them convey buffs to certain units, so long as they're within 13" of either the Warlock you took with the coven, or the Arch-Warlock leading the whole Convocation.

If you're taking this, you'll want to lean into the buffs you get and take large amounts of the units that benefit from them.  This would probably make for a fun 1-drop army that has a lot of pretty efficient ranged weapons.  

====Arkhspark Voltik====
''One Warlock Engineer or Warlock Bombardier, 1-3 Warp Lightning Cannon''

In your shooting phase, pick one of the included Warp Lightning Cannons and lower the result of dice roll to determine that cannon's power by 1.
*You can apply the buff to one Warp Lightning Cannon per phase, even if you take more than one with the coven.
*The only Enginecoven that doesn't have a Stormfiend tax. This makes it the cheapest of all the Enginecovens.

====Gautfyre Skorch====
''One Warlock Engineer or Warlock Bombardier, 1-4 units of Stormfiends, 1-5 units of Warp-Grinders, 1-5 Warpfire Throwers''

2 units can travel with the coven's Warp-Grinders instead of 1, as long as they're all part of the same enginecoven.  Now that the FAQ made it actually cheaper than just buying a second Warp-Grinder, this is a solid enginecoven to take if you were already planning on using them.   You don't get the extra body to warp-shank people with, but it helps fill out your Warp Convocation and get those battalion benefits.

====Gascloud Chokelung====
''One Warlock Engineer or Warlock Bombardier, 1-3 units of Stormfiends, 2-5 units of Skryre Acolytes''

Reroll hit rolls of 1 with missile attacks from the coven's Acolytes or Stormfiend's Wind Launchers.

====Rattlegauge Warplock====
''One Warlock Engineer or Warlock Bombardier, 1-3 units of Stormfiends, 1-3 units of Warplock Jezzails, 1-5 Ratling Guns''

Reroll 1s for missile attacks from the coven's Jezzails and Ratling Guns. This sounds like a promising enginecoven at first, but unfortunately it doesn't affect the Stormfiends' Ratling Cannons and the Jezzails are already usually getting rerolls to hit.

====Whyrlblade Threshik====
''One Warlock Engineer or Warlock Bombardier, 1-3 units of Stormfiends, 1-3 Doomwheels, 1-5 Doom-Flayers''

Add 3" to moves for any units from the coven as long as they started in range of the buff.