GURPS Magic - Weapons Enchanted With On-Hit Effects

[Zan Lynx]

Originally Posted by gilbertocarlos

Read the shatter spell, if you don't do damage enough to break, it doesn't do damage. So, if the armor has DR4 HP10 and you roll 13, your spell failed, it's good as new.

Not quite. The spell description states that Shatter is similar to Weaken, which ignores the object's DR. So if the armor has HP 10 and I roll 13, that piece of armor is destroyed until it is repaired.

If DR was included, it would be very difficult to Shatter anything.