Secret shop

The Secret Shops are located near the center of the map. One Secret Shop is in the forests between the top and middle lanes, on the  Radiant side. The other is in the forests between the bottom and middle lanes, on the  Dire side. Heroes may use either Secret Shop, regardless of their team. The Secret Shop can be used by couriers.

Items found at the Secret Shop cannot be bought elsewhere, except  Void Stone,  Energy Booster and  Vitality Booster, which are also found at the Side Lane Shop.

The Secret Shops are run by the Shopkeeper.

Here's what the shopkeeper do

Basics

 Bottle (650)

 Ring of Health (850)

 Void Stone (850)

 Energy Booster (900)

 Vitality Booster (1100)

 Point Booster (1200)

 Platemail (1400)

 Talisman of Evasion (1450)

 Hyperstone (2000)

 Ultimate Orb (2150)

 Demon Edge (2200)

 Mystic Staff (2700)

 Reaver (3000)

 Eaglesong (3200)

 Sacred Relic (3800)

Upgrades

In addition to the items available above, these items can be completed solely with items from the Secret Shop.

 Perseverance (1700)

 Soul Booster (3200)

 Lotus Orb (4000)

 Moon Shard (4000)

 Bloodstone (4900)

 Heart of Tarrasque (5200)

 Eye of Skadi (5500)

 Scythe of Vyse (5700)

 Octarine Core (5900)

 Divine Rapier (6000)

Several lategame items require some of their components to be purchased from the Secret Shop.

Additionally,  Battle Fury and  Nullifier can be built from items purchased at just the Side Lane Shop and Secret Shop.