Physical Penatration VS Magic Penatration

missinin17

I have a couple quick questions about them:

1) How exactly does these 2 things work?

2) Is it true phy pen. only works for melee toons and mag pen. only for casters?

sylenthunder

There is a thread on this already here that discusses this.

Closing as duplicate. Please use the other thread for information and discussion.​​