21 vendors across 19 zones
Ak'Anon1 vendor
| a spell research merchant (3) | — |
Corathus Creep1 vendor
Crescent Reach2 vendors
| Researcher Layla | — |
| a spell research merchant (3) | — |
East Cabilis1 vendor
| a spell research merchant (3) | — |
Erudin1 vendor
| a spell research merchant (3) | — |
Grobb1 vendor
| a spell research merchant (3) | — |
Halas1 vendor
| a spell research merchant (3) | — |
Kelethin (in Greater Faydark)1 vendor
| a spell research merchant | — |
Neriak - Commons1 vendor
| a spell research merchant (3) | — |
North Kaladim1 vendor
| a spell research merchant (3) | — |
Oggok1 vendor
| a spell research merchant (3) | — |
Plane of Knowledge2 vendors
| Eric Rasumus | — |
| Scholar Klaz | — |
Rathe Mountains (see also Gukta)1 vendor
| a spell research merchant (3) | — |
Relic, the Artifact City1 vendor
Rivervale1 vendor
| a spell research merchant (3) | — |
Shar Vahl1 vendor
| a spell research merchant (3) | — |
South Qeynos1 vendor
| a spell research merchant (3) | — |
Southern Felwithe1 vendor
| a spell research merchant (3) | — |
West Freeport1 vendor
| a spell research merchant (3) | — |
