Mantras keris and empu

[Pusaka]

I think however there are many of the older Indonesians who will not consider a keris maker an empu unless he can give life to a blade, now the method that is followed to do that might have changed. I would imagine a Muslim would use prayers whilst a Hindu would use mantras, fasting and offerings might be carried out by both. "finger tuning" well I guess there is something to that also.