what level prayer do you need to bless them and is it 60 mins for all

 

and what's the deal with repairing them how long does it last and do i need any item?

You need level 70 pray to bless them. Yes 60 minutes for all when it is about to decay you can repair it (and maybe bless it i am not sure) again. You don't need anything to repair graves and it lasts about 5 minutes.

repairing im sure uses prayer but not much, blessing uses loads but lastgs an hour, after which im sure it cant be blessed or repaired

Repairing cost 5 prayer points, i blessed someones at 70 prayer and it used 55 points. But if you are low on prayer, you will keep at least 10 points for you "just incase you're in an emergency"

OK cheers what level is it to repair and what skill?

 

i'm level 100 and me and my mate wanna do kq but i died befor ei got my 5 min grave and lost 2m this way i will atleast have a chance if my mate can do it

A long as you have 5 prayer points, you can repair so i say at least 5 prayer, and idk what you ment by what skill.

oh ok that answered it, i thought it might be construction smithing to fix graves

nope, its prayer. also, you can't bless/repair your own grave.

It costs 1 prayer point for each minute you add to the timer, which is why you need 70 prayer to bless it--60 prayer points to make it last for an hour, and 10 to keep for yourself. So the more prayer you have, the longer you can bless a grave if you have some points already spent.