d20 Roll |
Weapon
Condition |
Failure Chance |
Attack Rolls |
Range Inc. |
Cost |
1-5 |
Very Poor |
1-5 |
-4 |
-30 ft. |
-5 |
6-10 |
Poor |
1-4 |
-2 |
-20 ft. |
-4 |
11-14 |
Heavily Used |
1-3 |
-2 |
-10 ft. |
-2 |
15-16 |
Used |
1-2 |
+0 |
-10 ft. |
+0 |
17-18 |
Lightly Used |
1-2 |
+0 |
+0 |
+2 |
19 |
Near-Mint |
1 |
+0 |
+0 |
+4 |
20 |
Mint |
1 |
+0 |
+10 ft. |
+5 |
The failure chance is a natural attack roll with the weapon. If your attack is in that range, the weapon is reduced one grade in weapon quality.
So even a brand new weapon will deteriorate over time.