Evil chicken. I was near Lumbridge in the chicken farm getting feathers, which made me rich :P . I had wanted to fight an evil chicken after seeing a level 15 or so get attacked by a level 38 chicken and win unscathed. I ended up fighting a level 69, and I was 24. I didn't have food with me. I ran, logged off and switched worlds. Ended up in the same world where the evil chicken attacked. He was gone though :)