Cormac pointed up at the ledge above and addressed Andrew Hailex and Donache. ‘You two and Blegg go up first, then I want one of you to bring the two spare harnesses back down. The other one of you I want to run lines down to us here.’

There came a stutter-flash and a thrumming explosion. Two of the dracomen opened fire at something down in the fissure.

‘Arach, you’re not armed for this, so start climbing!’

‘What!’ the drone protested.

‘Go. Now.’

The drone reluctantly withdrew its chainglass blades back into its forelimbs, dropped back down on all eight limbs, then leapt up to grab onto the wall above. It hung there seeming disinclined to climb any higher. The two human Sparkind and Blegg donned the gravharnesses, and rose smoothly into the air. Cormac looked around at those left: seven dracomen and six Golem. He gestured to the dracomen. ‘Four of you better start climbing.’ They did not hesitate. Four leapt smoothly up after Arach, easily finding holds in the rock face and managing to climb even more swiftly because of their reverse kneed gait. Arach scuttled after them. Cormac unslung his carbine, and through his gridlink loaded a program to Shuriken, just as something nosed its way out of the fissure.

The blast from a grenade tossed by Scar threw something like the head of an iron salamander bouncing towards them, and one of the Golem swiftly kicked it off the ledge. Another creature edged out into the light: it did look vaguely like a salamander, only without either a tail or eyes and with two sets of three legs evenly spaced in a ring around its cylindrical body—perfectly designed for crawling rapidly through tunnels. It spat briefly and Cormac glimpsed one of the Golem flung back, with some metallic octopoid clinging to his chest, to fall from the ledge without a sound. In return, Shuriken slammed through the head of the attacker, bounced ringing from the rock behind, then chopped down through its body. As two more of the biomechs appeared, Cormac lobbed a grenade down between them, but two more grenades flung by others followed it. This triple blast hurled metallic shrapnel and shards of rock from the mouth of the fissure, and threw Cormac momentarily from his feet. As he pulled himself upright, he noticed Scar tugging a piece of silvery metal from his face before discarding it. And on the front of his own envirosuit, spots of blood had appeared. Fortunately a huge wedge of stone had sheared away, dropping to block the fissure.

‘We climb. Now!’