what's your opinions about my anime ?

a year ago an evil witch ran out from prison now she works on a ritual to revive the most evil and powerful warrior she also revives others monsters who were killed by heroes the revived villains begin to destroy villages and towns the humans call for heroes to defeat these villains but they find difficult on battling them they go to a necromancer who can revive the deaths they tell her to revive powerful warriors to help them to kill these villains the revived heroes and the current heroes team up to save the earth