Originally Posted by The Glyphstone
An Omegalisk miiiiight go head-to-head with a Gargant, but that's pretty much it, and they're so rare as to be practically nonexistent.
That said, if you can crack your way through the armour, even if the Titan itself is mostly intact, you can swarm your way up inside it and make life very very difficult for the crew.
Which is seen in the Titan: Viviparous
comic. Though they do end up repelling the attack.
Originally Posted by Brother Oni
Speaking of which, how do Orks get their heavy and super heavy gear from orbit onto the planet? Do they ship it down it bits and re-assemble on site or do they have massive transport ships that can drop the things intact?
There's Landas- but they're not really Titan carriers. Might be able to manage a Stompa though.