‘Marius, now!’ Stenwold shrieked, and at last Marius and his two survivors broke into a run, shields temporarily slung on their backs. Stenwold ducked away from the hatch and even as he did so a lance of energy blasted a smoking hole in the rim. Hands shaking, he squeezed himself back into the pilot’s seat, and began to pedal fast. He felt the entire frame of the flier creak as the wings moved, first up and then down, powered by the steam-boiler but guided by his feet.

Someone vaulted into the flier, and Stenwold flinched in fear, but it was only Tisamon, face grim. He set on the wooden case immediately and tugged at the buckles, his bladed glove now removed. A moment later a woman belonging to Marius’s squad climbed in too and turned to help her commander aboard. By now Stenwold had the wings working smoothly and felt the orthopter lurch as though eager to be gone from here.

Marius was halfway in when he arched backwards without warning and began to fall away. The female soldier caught his belt and dragged him to safety, but Stenwold caught a glimpse of the leather vanes of the crossbow bolt buried deep in the commander’s lower back beside the rim of his shield.

‘Any more?’ He could barely keep the machine on the ground.

‘No!’ the woman yelled to him, and he doubled his pace and the orthopter sprang into the sky, spinning a couple of Wasps out of their way with the displaced air.

Stenwold risked a single glance behind him to see what was happening. Marius was lying on his side, his skin turned from tan to ashen-grey, his sole remaining soldier investigating the wound. Tisamon had opened his case and was stringing his greatbow. Another relic of the Bad Old Days, Stenwold knew, but he would not have swapped such a bow in Tisamon’s hands for the latest repeating crossbow. The Mantis crouched at the still-open hatch and nocked an arrow. A moment later he loosed it and Stenwold saw, as he circled the airfield, another Wasp go whirling downwards, sword spinning off separately, out-reaching him as he fell.

‘Away would be good!’ Tisamon snapped, reaching into the case for another arrow.

‘I have to gain height first,’ Stenwold told him, knowing that the Mantis would not understand. He was pulling the orthopter into a ponderously slow upwards circle of the airfield as the steam-driven wings worked up and down. None of the other Mynan flying machines had got off the ground. He did not want to think about what might be happening in the city below them. He just pedalled and steered, watching a rising circle of Wasps below them, flying men with swords and spears milling in a furious swarm. Tisamon leant far out, securing his position with one knee and one elbow, and drew back the string.

High enough. Stenwold decided, and wrestled the orthopter out of its curve. But he had misjudged the angle and ended up sending it straight out over the teeming city. Below him a dozen Wasp soldiers passed by, oblivious, but Stenwold’s attention was by now somewhere else.

‘Hammer and tongs!’ he swore. ‘Will you look at that!’

It was ugly as sin and it hung in the air as elegantly as a hanged man, but nevertheless it stayed up and there had to be some craft in that feat. A heliopter in Wasp colours, a monstrous, uneven metal box with three spinning blades straining to keep it from crashing to the ground. There must have been hatches in its underbelly, he realized, because there was a stream of missiles falling constantly from it onto Myna. He thought they were rocks at first but, on seeing the explosions, decided they must be fire-pots or firepowder grenades.

Why am I still flying at it? He wrenched quickly at the simple wooden stick and the orthopter veered away, the Wasp heliopter sliding out of his frame of vision as he cast his newly acquired vehicle across the city and out over the walls. The orthopter was a simple piece of machinery, and the artificers back at his native city of Collegium, hundreds of miles away, would have called it ‘prentice stuff’. It was all Stenwold needed, though, for it could outpace the Wasp light airborne, and in only minutes their pursuers were dropping back, turning for the city again, and Tisamon could lower his bow.

The Wasp heliopter, however – that was a crude and primitive piece. Any self-respecting artificer would have been rightly ashamed of it. And yet it flew, and only five years ago the Wasps had possessed nothing like it.

‘Marius…’ he began. He could crane over his shoulder, but even while letting the machine glide on its canvas wings he dared not take his attention from the controls. ‘Marius, talk to me.’

‘He is sorry,’ said the woman, and after a moment’s blank surprise Stenwold realized that Marius must now be too weak to speak, but strong enough to send his thoughts into her mind.

‘We have to tell them what has happened here,’ Stenwold continued. ‘Marius, we have to tell Sarn. We must warn your city.’

‘He says we are considered renegades there,’ the woman replied impassively. ‘He says we can never go back.’

Beneath them the fields and small villages that were Myna’s tributary settlements swept past. ‘But Marius only left because he thought this was for your people’s good,’ Stenwold said stubbornly. ‘He saw the threat even when they did not. You know this, and you have to tell them.’

‘We can never go back there,’ the woman said, and he realized she was speaking for herself this time. ‘Once the bonds of loyalty are broken, we can never go back.’

‘But Marius – Sarn isn’t like the other Ant cities any more. There have been changes. There are even some of my own kin on the council there,’ Stenwold insisted.

There was a lengthy silence from behind him, and he assumed that Marius must have died. He choked on a sob, but then the woman put a hand on his shoulder in a strong soldier’s grip.

‘He says you must do what you can,’ she told him softly, and even her intonation resembled Marius’s own. ‘He says he regrets that things have ended this way, and he also regrets that the others, Atryssa and Nero, were not with us, but he does not regret following you from his city, and he does not regret dying in this company.’

Stenwold wiped a hand across his eyes and felt the first shaking of his shoulders. ‘Tell him…’ he managed, but then the woman’s hand twitched on his shoulder, just once, just for a moment, and he knew that Marius was dead.

He let out a long, racked breath.

‘We can tell nobody about this, because nobody will listen,’ Tisamon said. ‘We tried to warn your people at Helleron that the Wasps were coming, and what did they say? That nobody would invade Helleron. They claimed that the city was too useful. That Wasps needed to trade and deal in arms like everyone else. They look upon the Empire as just another Ant city-state.’

‘And if we told your people?’ asked Stenwold bitterly.

‘Then they would simply not care. They have quarrels a thousand years old that they have yet to settle. They have no time for new ones.’ And Stenwold heard, to his surprise, an equal bitterness in Tisamon’s voice. The Mantis was hinging his metal claw forward and back, rolling his fingers about the crosspiece to lay the blade flat against his arm, then bringing it out to jut forward from his knuckles. It was not a threat, but just the man seeking reassurance in his old rituals.

‘We saw their map,’ Stenwold whispered. That one glimpse he had caught, of the Wasps’ great map, had been a harsh education. A map of lands he had never seen, extending down to lands he knew all too well, the Lowlands of his home, and all sketched out with lines of advance and supply. A map of a projected conquest that stopped only with the Wasps’ knowledge of their world.

‘Nobody will care,’ Tisamon repeated, and there was a rare wisdom in his voice. ‘What is the Lowlands, anyway? A half-dozen feuding city-states, some hold-overs from the Days of Lore, when things were different, and perhaps a few men like yourself, trying to make sense of it all. The Wasps are a unity, we are a motley.’ The gloom about him deepened, and Stenwold knew that his thoughts were turning inexorably towards Atryssa, towards the betrayal. Stenwold wished he could find some other way to explain her absence and their failure at the gates.