Eyclonus wrote:I'm pretty sure that you don't have to use a power if you roll on the table. Also you got Warphead so a re-roll could give you power weapon instead. Or another Waaagh!
"At the beginning of each Ork Shooting phase, a Weirdboy must roll on the following table to find out which psychic power he must use that turn."
So not only do you have to use that power if you roll on the table, you have to roll on the table every turn.