With a wordless shout of rage, Erik came hurtling back into the fray. It wasn’t just his own skin on the line, now that Irding had joined the fight, and that meant losing simply wasn’t an option.

Was it really in the first place? His conscience muttered in the Captain’s voice and fell silent as Erik brought his axe down not on the ankle, which seemed no less sturdy for the whittling it had taken, but instead on the haft of the golem’s blade. A crack ran along the stone haft from Erik’s blow, too slender to have enough strength in rigid rock as it would have in either wood or steel.

“Oh, jolly good. At last you're getting serious.” The golem actually seemed to smile at that. Erik couldn't tell if it wanted to lose or if it just wanted a challenge: either way, he had no intention of swimming back, one-armed or otherwise.

Not that it gave him time to ponder the question. The stenjätte yanked its axe up from where it had wedged into the floor and brought it up to its shoulder. Irding leaped over its head to avoid the blow.

A heartbeat later the golem swung again, paying no heed to the fragile state of his weapon. Erik had to jump to avoid being caught by the wide sweep that covered most of the room.

He landed on the bit of the stenjätte’s axe and grinned at his opponent. Now it was a dance, and while Erik couldn't hope to keep up with Sivid, Einarr, or even the Captain at the hallingdanse he was no slouch.

The golem gave his axe a toss to turn its blade the other way: Erik's backflip landed him in the middle of the second side and the crack in the handle grew. Then it rotated the blade to face upwards.

Erik, feeling cheeky, ran up the slope of the bit and balanced on the edge. Then it was the stenjätte's turn to grin.

Erik's cheeky grin turned to wide-eyed shock as the golem swung upward with both hands. Irding cursed as the space where he stood to harry it from above became a vise of shoulder and ear.

At the top of the swing Erik realized he was headed in an arc for the floor. He had two choices, and one of them was surely fatal. Erik launched himself to the side as the axe came down towards the floor again.

The axe bit plowed into the stone of the floor, throwing up shards and dust, and the sound of the blow was followed by a mighty crack as the stenjätte's axe handle shattered.

Their opponent laughed. When it straightened, it held the broken axe handle the way one would hold a club.

“Wonderful! I say, if you keep this up perhaps I shall let you keep your arms to swim home.”

“How generous.” Irding spat as though to punctuate his thoughts on said generosity.

“Well I can't very well just let you pass. You haven't defeated me yet. And unless I'm very much mistaken, you're just about out of tricks.”

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Erik shook dust from his hair, his wind mostly recovered. “If you think that means anything, you don't know humans very well.”

The golem laughed again. “Wonderful spirit. All right then, try your utmost. Perhaps you'll be the mortals to surprise me.”

Erik dropped back into a fighting posture. “Well, Irding, any ideas to take its head?”

“Not sure it would care about that, either. You nearly hacked off its foot and it didn't even slow down. Someone made the thing: there has to be something keeping it moving.”

“Whenever you're ready.”

Erik frowned. “So, some source of magic? Runes, maybe, or something that glows?”

“Maybe?”

“I can hear your plotting, you know. It won't help.”

Erik grunted. “I'll buy time. You see if you can spot anything it might be.”

He saw Irding nod from the corner of his eye and charged back into the fight. Let's see if disarming him the rest of the way will work…

Lacking the weight of the stone axe head, the golem was faster than before. Erik dashed in only to be driven back by quick swings of the broken handle.

He sidestepped another pair of swings before bringing his trusty, probably ruined, axe down again on the slender haft. Chips crumbled off the end, but Erik still had no desire to feel its bite.

“Any luck?” He called, dodging another jab and knocking another several inches off the stone rod.

“Give me a minute!”

“You're wasting your time. You won't find anything.”

“That-” Erik brought his axe down hard on the haft, breaking off several more inches of crumbling stone. “Remains to be seen.”

“It really doesn’t, I’m afraid.” The golem swung again at Erik, who threw himself into a roll to avoid the blow. “You are right, I have a key, but you’ll not find it about the room.”

Erik sprang up from his roll as the wind from the club passed overhead, just a moment too late to get another strike in on it. “Oh? Since you’re feeling so generous, then, where is it?”

The low rumbling sound that was the golem’s laughter sounded again. “I thought you’d never ask. It’s right here.”

A circle of runes began to glow yellow on its chest. Erik could see no way up there. Irding had managed, once, but Erik wasn’t certain he could reach the golem’s heart from its shoulder. Not without taking a fall. Erik cursed. I should have kept at his foot. Knock him over, get the heart.

“Why are you telling us this?”

“Master created me to challenge those who attempt his tower millenia ago. Do you have any idea how long it’s been since I’ve had a proper challenge? Hit my key, if you can!” The golem swung again, this time at Irding. The boy - man - sprawled flat on the floor just ahead of the club.

“By all the conventions of duelling, we beat you when your axe broke.”

“But I exist to fight! So, come!” The golem swung at Erik again.

Rather than dodge, Erik took a deep breath and braced himself. As the improvised club sailed towards his chest, he wrapped both arms around it even as it knocked the breath from his lungs. Probably broke a rib or two. He clung there, desperately gasping for air, as the club continued to sail through the air.

His trajectory changed: Erik scrabbled up the club towards the golem’s arm and once again narrowly avoided being slammed into the floor.

“I say, you are quite heavy. This is not a proper way of fighting.”

Erik roared as he neared the stenjätte’s shoulder. “I’m not a proper man!”

He gathered his legs under himself, staring at the runes that still glowed over where a man’s heart should be. Won’t hurt worse than the wolf’s bite. He launched himself, axe pulled back and ready to strike, across the golem’s chest. When Erik buried his blade in the center of the rune circle, he thought he saw a look of gratitude pass the golem’s face. Then he curled himself into a ball, ready to roll with the fall.

Right up until he collided not with hard stone but with the body of the only other person in the room.