Kiri is mutated, she is entirely immune to mental scaring, has literally boundless determination, and is incapable of feeling fear as well as lying. She holds in her hands "The Catapult" a slingshot possessed by a bloodthirster. How else could she survive the pit's so young? She was sent into the slave pits as a helpless child, and Khorn appreciates a fight, not a meaningless slaughter. That's when she got the catapult. She has proven her worth time and time again, slaying thousands in her still short life. The bloodlthirster alive in that weapon is raising her as an unfeeling killing machine. Just you wait, the book will say "Not advisable for children or the easily disturbed".
It will be a story of how Kiri assists the other children in escaping the barbarians, by mercilessly killing them and leaving their skulls impaled on their weapons. Her demonic "parent" will instructing her to "run along and make friends". Her fellow children will be afraid of her uncanny character, absent of fear and deception. Over time they will grow to trust each other. All according to the demons simple plan. The bloodthirster's presence is felt by a stormcast eternal, who rightfully accuses her of being an evil demon child. Kiri's friends defend her first with words, but when the stormcast eternal attempts to strike down her evil, their bonds of friendship hold fast. Together, the three children kill the eternal, and make an enemy of Sigmar. The rest is a story of how the children try to hold on to their goodness as they inevitably fall to chaos. Before you know it Alish will be forging demonically possessed airships, among other weapons for the armies of chaos. Elio 's study of medicine will become an obsession with the effects of disease and poison on his many indiscriminately chosen victims. Kiri will just keep killing until "Warhammer, Age of Chaos" is the setting title.
How should the 40k half warhammer adventures go /tg/?