So they're rolling out some of the changes to Necrons on Warhammer Community. I already foresee some anger forthcoming.
Because they changed Reanimation Protocols AGAIN.
Originally, 'We'll Be Back!' (WBB) kicked in once and any failures meant those models were removed. Then 5th edition rolled around, and the newly named Reanimation Protocols (RP) now kicked in every turn as long as the unit was still in play. If a blob of Necron warriors 20 strong lost seven models, it could reanimate three the next turn, and then (assuming it took no casualties) could still reanimate the other four on subsequent turns. Since prior WBB rolls were on a 4+, the new RP rolls were now on a 5+ but it was a pretty good trade off in my opinion, as a unit left to its own devices might just reconstruct itself!
The writeup is kind of incoherent, probably to prevent Necron players from realizing this is a nerf to RP. Essentially, you roll for the wounds taken (which isn't the problem here) and for every 5+, you 'reanimate' one wound (which makes me think this is a ham-handed attempt to make it equivalent to the old Feel No Pain rules). While this is pretty simple for Necron Warriors, it nerfs multi-wound units (such as Destroyers) slightly as they have to 'reanimate' enough wounds to comprise a full model. No 'roll 5+ to get back a three-wound unit', you have to make three 5+ rolls to get him back up.
The bad news is that this only happens after an enemy's shooting/fighting phase, and it only occurs once, which seems to obviate the way it ran originally. And you cannot modify the RP roll by more than +1/-1, so it can't be any better than a 4+.
If anyone has any counter-arguments, I'm listening.