Armor check penalty
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(Redirected from Armor check)
An armor check penalty applies to most dexterity-based skills when a character wears armor heavier than leather. This penalty is used instead of the maximum dexterity bonus, and it applies to hide, move silently, parry, pick pocket, set trap, and tumble. The only dexterity-based skill not on this list is open lock, to which neither the maximum dexterity bonus nor the armor check penalty applies.
If a character is wearing armor and using a shield, both armor check penalties apply.
| Type of armor or shield | Base AC | Armor check penalty |
| none, clothing | 0 | none |
| padded armor | 1 | none |
| leather armor | 2 | none |
| studded leather armor, hide armor | 3 | -1 |
| chain shirt, scale mail | 4 | -2 |
| chainmail, breastplate | 5 | -5 |
| splint mail, banded mail | 6 | -7 |
| half plate | 7 | -7 |
| full plate | 8 | -8 |
| small shield | 1 | -1 |
| large shield | 2 | -2 |
| tower shield | 3 | -10 |
