Boosts — Scouting

Everything that makes Scouting faster or better: gear, mastery, rebuilt places, potions and King's Road stations. Some station designs cost this skill something in return. Those show as negative numbers.

Speed

Source	Bonus	Notes
Traveller's cloak	+10%	A high-quality piece gives 1.5 times this, rounded down.
Tent	+10%	A high-quality piece gives 1.5 times this, rounded down.
Map maker's compass	+10%	A high-quality piece gives 1.5 times this, rounded down.
Trader's pack	+6%	A high-quality piece gives 1.5 times this, rounded down.
Spyglass	+10%	A high-quality piece gives 1.5 times this, rounded down.
Walking staff	+15%	A high-quality piece gives 1.5 times this, rounded down.
Iron-tipped staff	+20%	A high-quality piece gives 1.5 times this, rounded down.
Cobalt-tipped staff	+30%	A high-quality piece gives 1.5 times this, rounded down.
Activity mastery 10, 20, 30, 40, 50, 60, 70, 80, 90	+2%	That activity only. Permanent once reached. Each of these levels adds it again.
Mastery pool 50%	+5%	Every Scouting activity, while the pool stays at or above 50%.
The broken watchtower	+15%	Everywhere, once it is rebuilt.
The high beacon	+10%	Everywhere, once it is rebuilt.
The kings' tomb	+8%	Everywhere, once it is rebuilt.
Wayfarer's tea	+10%	While it is in the potion slot with charges left. Each completed action uses one charge. See Potions.
The rest stop — Herders' rest	−3%	A trade-off: while the rest stop has this design, this skill loses this much. See The King's Road.
The ford house — Ferry winch	+4%	While the ford house has this design. See The King's Road.
The ford house — Toll ledger	−4%	A trade-off: while the ford house has this design, this skill loses this much. See The King's Road.
The mountain hut — Storm shelter	−3%	A trade-off: while the mountain hut has this design, this skill loses this much. See The King's Road.
The king's rest — The guild table	−4%	A trade-off: while the king's rest has this design, this skill loses this much. See The King's Road.

XP

Source	Bonus	Notes
Tin whistle	+10%	A high-quality piece gives 1.5 times this, rounded down.
Cobalt-tipped staff	+10%	A high-quality piece gives 1.5 times this, rounded down.
Activity mastery 99	+10%	That activity only. Permanent once reached.
Mastery pool 25%	+10%	Every Scouting activity, while the pool stays at or above 25%.
Mastery pool 95%	+10%	Every Scouting activity, while the pool stays at or above 95%.

Sell price

Source	Bonus	Notes
The rest stop — Lamp room	−2%	On every sale, while the station has this design (a trade-off). See The King's Road.
The ford house — Toll ledger	+4%	On every sale, while the station has this design. See The King's Road.
The beacon inn — The common room	+5%	On every sale, while the station has this design. See The King's Road.

All mastery bonuses

Each activity's own mastery

Activity mastery	Adds to that activity
10	+2% speed
20	+2% speed
30	+2% speed
40	+2% speed
50	+2% speed
60	+2% speed
70	+2% speed
80	+2% speed
90	+2% speed
99	+10% XP

Pool checkpoints

Pool filled	Pool XP	Adds to every activity of the skill
10%	1,017,500	+5% mastery XP
25%	2,543,750	+10% XP
50%	5,087,500	+5% speed
95%	9,666,250	+10% XP

See Mastery for how mastery XP and the pool fill up.

Exact numbers

All speed bonuses, and the negative ones, add up to one total percent. It is used once: time = base × 100 ÷ (100 + total), rounded down. See How fast an action is.