reroll

So with oldbloods you have the on foot version, and the one on a Carnosaur. The Oldblood on foot allows saurus models with in 5” to reroll wounds of 1, note with the key words “You can re-roll wound rolls of 1 for Saurus models within 5" of an Oldblood.” as the warscroll does not mention if the...

Quick question regarding re-rolling. When a spell or ability says reroll hit rolls of 1, does that mean on first throw you gather the ones and reroll them once? Or does it mean you keep rerolling any hit rolls of 1. (If your reroll is 1, you reroll until you get something other than 1)? When...