Mercsenary said:
The way I understand it Fexes, to really kill one quickly, you have to drop like a goddamn destroyer on it. Like Orbital bombardment. Continuous Orbital bombardment.
You're thinking of Bio-Titans. The things that can take and deal megatons (a gigaton?)/second of punishment. A carnifex can be felled by several melta-gun level blasts IIRC. So a Fuel Air Bomb or a small nuke would do for it.
A Bio-Titan? I'll be leaving the planet if at all possible.
In other words this idea: SHIT! TYRANIDS. THESE THINGS MAKE THE ZERG LOOK LIKE PUSSYS. GTFO the PLANET NAO! GOGOGOGOGOGOGOGOGO!
The Tyranids are what the Zerg are hoping to grow up into.
3 Pure strain 'Stealers.
3 "slivers"
Did you mean Lictor when you typed sliver? I'm not finding a "sliver" unit for Tyranids.
If you meant Lictor, everyone is fucked. Those things have Ghost in the Shell style active camouflage, and can one-shot Space Marines with their claws. Anyone who ends up in melee with them will die, Slayer or not. Standard "bullets bounce off them" applies, and hitting one with a rocket is...unlikely. They're fast, can climb walls (I mean solid concrete style here) like running on the ground, and use these abilities effectively.
Anyway, the Tyranids' first priority would be to convert a control unit. If the Buffy types find them before this point, they might have a chance. After a controlling unit is made, they'll be far more coordinated and smart. After (or during) that, they'll infect a few dozen people with the gene-mod thing they do, and lay low for several generations. Yes, generations. During this time, human looking descendants of the people infected will try to get into positions of power. The first people infected will have no clue, and might move to other towns, etc. In 150-200 years, they'll have a few hundred (maybe a few thousand, depending on how many got the fruit of their loins genetically hijacked) psionically linked cultists, and another dozen or two pure-strains. Then they'll start to act more openly, to divide and weaken human factions on the planet.
Of course, since no one knows that Tyranids exist, and any investigators will be facing monsters that make Xenomorphs (Alien) look like pussies, there's a good chance the Tyranids will take over the planet. In a thousand years, granted, but they can wait that long. After they strip the planet and make a few ships, they can set off as a new swarm in the galaxy. God help the universe.