Editing Warhammer 40,000/7th Edition Tactics/Tyranids (section)

===Warzone Valedor===
*'''Cronecoven (Apocalypse)''': 3+ hive crones join in and for every vector strike after the first, add +1 strength
*'''Eater Swarm (Apocalypse)''': 3+ Haruspexes (Haruspices?), 3+ Pyrovore Broods, 5+ Ripper broods.  They all start in reserves and have IB Devour and outflank.  Any character with LoS with them lose Ld equal to the number of turns.
*'''Eye of the Hive (Apocalypse)''': 3+ warrior broods each with 5+ models Roll a d3 at the beginning of the game, and every unit that arrives after that turn gains Preferred Enemy to one codex. Also, units within 18" get to attack even if they are killed in close combat before their Initiative step.
*'''Harpy Skyhunters (Apocalypse)''': 3+ harpiesand  3+ spore mine clusters.  Harpies firing at a Flyer within 12" of a Spore Mine get Tank Hunter. 
*'''Kraken Tendril Swarm (Apocalypse)''': This includes 1+ Warrior Broods, and 3+ units of Gants or Gaunts (In broods of 20+), plus optional Gargoyles.  The formation may, once per turn, make a 60" move that can't go within 12" of an enemy, but they may shoot afterwards. Also, every unit gains Outflank and Acute senses.
*'''Leviathan Skyswarm (Apocalypse)''': This throws in 1+ Flyrants, 3+ Gargoyle Broods, 2+ Harpies, 0-3 Harpies, and an optional Harridan.  When Gargoyles assault a flyer, they roll a d6: a 1-3 means that they get flattened, a 4-5 means nothing, and a 6 gives a glancing hit.  Also, anyone with Skyfire shooting them loses -1 BS and if these guys Deep Strike, they can always avoid impassible terrain.
*'''Sporestorm Brood (Apocalypse)''': 1+ Exocrine, 1+ Biovore brood of 3, and 3+ Spore Mines.  The mines begin in reserve and can re-roll the scatter die so long as they're within 12" of another Tyranid.  IF an Exocrine hits anyone within 6" of the Mines, he gets TL, while a Fex shooting any similar targets get to reroll all to-hit and to-wound rolls.
*'''Tervigon Broodnode (Apocalypse)''': 3-5 Tervigons with Onslaught and Catalyst must nominate one as the queen.  If the queen is killed, the formation is broke but it gets to spawn gaunts with any weapon they want (devourers), and each can roll 3d6 when spawning and you choose which which 3d6 to apply to every tervigon in the formation.  It's all for massive hordes, but the doubles rule still counts.
*'''Tyrannofex Gunbeast Brood (Apocalypse)''': 3-5 Tyrannofexes, with at least 2 of them using Rupture Cannons or Fleshborer Hives.  Anyone shot and hit by these beasts get a special marker that makes any other Tyrannofex that shoots it get TL, Ignores Cover and Tank Hunter.  Heavy Firepower to the MAX.
*'''The Shadow Incarnate (Apocalypse)''': A Tyrant with 3 Guards and 2+ Zoanthrope Broods.  This doubles the range of the SitW and gives anyone within 24" a +3 on their Deny rolls.  Also, the Tyrant gets a new power called ''The Terror'', which is a Nova Power with a range of 6" per Psyker in the formation (Presumably counting Zoanthropes as a group because Brotherhood of Psykers) with S2, AP1, Assault 10, Pinning, and Blind.  Useful for only...Orks, Fire Warriors, and Guardsmen, all who would even begin to be frightened by S2.  Blinding and Pinning are some rather handy ways to lock down pesky units.
**Alternate Take:  it takes fairly little investment to get your nova to hit the entire board (literally or figuratively). The volume of blinding and pinning fire will ensure a couple casualties and a little chaos... everywhere.  This makes it sort of a force-multiplier more than just a weapon.