Red Terror snacking on Marines...

[Azekai]

Hello all, with marines becoming hard to kill, especially units like heavy intercessors, blade guard or (shudder) stormshield terminators, the Red Terror seems like a fun option to use. With multi-wounds and some very intimidating invuln saves, eating them in one go seems appealing. Assuming the Red Terror can gulp down even a couple such elite enemies, it seems like a reasonably good trade. Note that this isn't great against the increasingly tough marine characters, who have absurd numbers of wounds for infantry models; the swallow roll is pretty unreliable against models with 5-6 wounds. 

[WarriorFish]

It's worth consideration, but I think the main problem will be that it'd be telegraphed. I don't think it's a deal breaker though as omniscient observers there's a fair amount of that anyway, and there should be enough targets to make it useful. It may be that the threat of it is worth as much as the act - or perhaps more - which could offer some tactical options especially against smaller sized units that are more vulnerable?

[Xenith]

Maybe with Behemoth to reroll charges off the deepstrike to pick off some objective holders at the rear?