Repulsion Field

Rank	Effect	Flavor
1	+2 EV	You are surrounded by a mild repulsion field.
2	+3 EV	You are surrounded by a moderate repulsion field.
3	+4 EV, Repel Missiles	You are surrounded by a strong repulsion field.
Prior to 0.19, the EV bonus applied even when paralysed, sleeping, etc.
Good mutation, Demonspawn mutation