1. Your Eversor Assassin is killed by a Gretchin.
2. Daemonic Attack is cast on your Hive Tyrant in the first turn, and you roll a 1. *
3. Your Bloodthirster rolls double ones for all of his armour saves.
4. Your Chaos Spawn only attacks your models.
5. You constantly roll 1's for your Necron saving and "I'll be back" throws.
6. Your Jetbike explodes destroying the Jetbike next to it, which destroys the Jetbike next to it... *
7. Your Bloodthirster dies on the first turn.
8. Ragnar Blackmane dies before he can get into close combat. *
9. All barrage templates deviate onto your own models.
10. Your assault cannon blows up on the first turn. *
11. Your level 4 psycher is sucked into the warp by a Daemonic Attack during the first psychic phase. *
12. Jain Zar is turned into a Chaos Spawn and spends the rest of the battle 'hiding' in a wood. *
13. Your Whirlwind's Ordinance barrage scatters back onto the Whirlwind. *
14. Your Invulnerable character fails all their saves.

* - These events have actually happened.