

Athletics
(e.g. running, climbing, swimming)
You roll a d20 and add your Athletics skill and Strength modifier to the roll. If the total is higher than the Difficulty Check, you succeed. If it is lower, you fail.
Difficulty Check 7 (Very Easy)
Climbing a knotted rope hanging from a sturdy branch.
Difficulty Check 12 (Easy)
Scaling a rocky hillside with intermittent footholds.
Difficulty Check 17 (Moderate)
Swimming against a strong current in a rushing river.
Difficulty Check 22 (Hard)
Climbing a sheer cliff face with only narrow ledges to grip onto.
Difficulty Check 27 (very Hard)
Scaling a towering waterfall, navigating slippery rocks and evading rushing water.
Difficulty Check 32 (Legendary)
Ascending a smooth, vertical surface of a towering fortress using only your hands and feet, with no visible footholds or handholds available.