Demon and ghost in mithrias graveyard

[Chunchick]

How do I defeat them, I'm not strong enough to walk up and kill them

[Mithrio]

Step 1: Homemade resist magic potion
Step 2: kill the ghost with magic
Step 3: go up to the demon and hit him with the saints weapon
Step 4: You will need lots of health potions

[Matías111]

Step 1: Homemade resist magic potion
Step 2: kill the ghost with magic
Step 3: go up to the demon and hit him with the saints weapon
Step 4: You will need lots of health potions

All I did was lure them to come in front of me then just hit them with the saints weapon thing, health potions helped too