Dungeon Exploration- Grappling Hooks

Throwing a grappling hook and securing it can be a tricky and critical maneuver.Here is a chart with suggested score to resolve with a d20 roll. Attacks bonuses and dexterity modifiers may or may not apply.

Grappling Hooks Table

type	Parapet	Wall Top	Branches	Rocks	Wooden Wall
Improvised	15/19	17/19	13/15	17/19	15/16
Soft Metal	14/18	16/18	12/14	16/18	14/15
Steel	14/17	16/17	12/14	16/17	13/14
Exceptional Material	12/14	14/15	10/12	14/15	11/12

The first number in each entry is a successful catch but it will slip free if weight is put on it. It takes a round to safely test for to see if a thrown hook has securely caught hold. The second number is a secure hold.