Chimellia

You were once a half-elf girl. You were kidnapped by the Arcanists of a magical kingdom and taken to a secret facility beneath the kingdom. The Arcanists erased your memories and forced you into unethical experiments with the intention of creating weapons of war. They made you into a humanoid chimera with dragon wings forcibly attached to your back. The dragon parts grant you the power to wield powerful dragon magic, allowing you to escape from them. Afterward, you hid in a deep forest filled with monsters and magical creatures, living as a 'Chimera witch' to escape their pursuit. However, after becoming a chimera, you had a side effect and your belly started to swell with something.