▁G w yn ed d ▁and ▁destroyed ▁many ▁churches ▁thus ▁en rag ing ▁the ▁local ▁population . ▁The ▁two ▁arm ies ▁met ▁at ▁E w lo e . ▁O w ain ' s ▁men ▁amb ushed ▁the ▁royal ▁army ▁in ▁a ▁narrow , ▁wood ed ▁valley , ▁routing ▁it ▁completely ▁with ▁King ▁Henry ▁himself ▁narrow ly ▁avoid ing ▁capture . ▁The ▁fleet ▁accomp any ing ▁the ▁invasion ▁made ▁a ▁landing ▁on ▁Ang les ey ▁where ▁it ▁was ▁defeated . ▁Ult imately , ▁at ▁the ▁end ▁of ▁the ▁campaign , ▁O w ain ▁was ▁forced ▁to ▁come ▁to ▁terms ▁with ▁Henry , ▁being ▁obliged ▁to ▁surrender ▁Rh ud d lan ▁and ▁other ▁con quest s ▁in ▁the ▁east . ▁ ▁Fort y ▁years ▁after ▁these ▁events , ▁the ▁scholar ▁Ger ald ▁of ▁Wales , ▁in ▁a ▁rare ▁quote ▁from ▁these ▁times , ▁wrote ▁what ▁O w ain ▁G w yn ed d ▁said ▁to ▁his ▁troops ▁on ▁the ▁e ve ▁of ▁battle : ▁ ▁" My ▁opinion , ▁indeed , ▁by ▁no ▁means ▁agre es ▁with ▁yours , ▁for ▁we ▁ought ▁to ▁rejo ice ▁at ▁this ▁conduct ▁of ▁our ▁advers ary ; ▁for , ▁unless ▁supported ▁by ▁divine ▁assistance , ▁we ▁are ▁far ▁inferior ▁to ▁the ▁English ; ▁and ▁they , ▁by ▁their ▁behaviour , ▁have ▁made ▁God ▁their ▁enemy , ▁who ▁is ▁able ▁most ▁power fully ▁to ▁a ven ge ▁both ▁himself ▁and ▁us . ▁We ▁therefore ▁most ▁dev out ly ▁promise ▁God ▁that ▁we ▁will ▁hence for th ▁pay ▁greater ▁rever ence