Personally I think E9 is great for nearly all nations with decent sacred troops and sacred mages. THe reinvig on mages is so good end game that it's a same not to use it. The extra prot seems to be discarted here but I think it will actually be very very helpfull on any unit even heavily armoured ones.
My choice for UR would probably be E9 and then either W9 or S9 which are both good.
Is a triple bless possible EW and S 9 might give you very very strong sacreds
might be worth to sacrifice even some prod scale here since you'd need much less troops.
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