The political alliance of baronies governed by the gunslingers, centred on New Canaan and Gilead. It fell to John Farson...

The Breaker prison in End-World, also called Blue Heaven or the Devar-Toi. A luxurious prison where psychics unknowingly...

The last stand of the gunslingers, where Roland's remaining companions were killed. Cuthbert blows the Horn of Eld one f...

Six invisible lines of force that hold the Dark Tower in place and maintain the structure of all reality. Each connects ...

Dog-like creatures native to Mid-World with the ability to mimic human speech. The ancient word for them is throcken. Th...

The most dangerous of the Wizard's Rainbow glass balls, a sphere of deep dark magic. Very likely the most terrible objec...

Psychically gifted individuals held at Algul Siento and used to destroy the Beams holding the Dark Tower. Kept comfortab...

A farming community in the Borderlands between Mid-World and Thunderclap, terrorised by the Wolves every generation. Its...

Both a communal rice-planting song and dance, and a word for rice itself. In the Calla it is a lively communal celebrati...

The nexus point of all existence, standing at the centre of all worlds where all six Beams converge. Roland's ultimate d...

Chaos, entropy, and dissolution - the opposite of order and the White. Both a place (the wasteland around Castle Discord...

A restaurant in New York City that serves as a front for the Crimson King's forces. Beneath it lies a passage to Fedic i...

The far eastern reaches beyond Thunderclap where the Dark Tower itself stands. The man in black refuses to speak of the ...

The destruction of gunslinger civilisation by John Farson, the Good Man. He began as a stage-robber and grew powerful en...

The creative force of the universe, sometimes understood as God. Gan bore the world and moved on. The Manni call the wor...

The great city-state where Roland grew up, seat of his father Steven Deschain and centre of gunslinger civilisation. It ...

Twelve enormous entities stationed at each end of the six Beams. Originally magical beings, some were replaced with tech...

An order of warrior-diplomats descended from the line of Arthur Eld - a strange combination of knights errant and territ...

The formal, ancient language of Gilead and the gunslinger caste. The language of command, ritual, and civilisation. When...

An ancient horn dropped by Cuthbert at the Battle of Jericho Hill. Roland, in his grief and bloodlust, let it lie in the...

The inner, more civilised region centred on Gilead and the baronies, where the gunslingers held power and the Affiliatio...

Destiny or fate - the fundamental force governing the universe in Roland's world. Ka drives the formation of groups, the...

A group of people bound together by ka, sharing a common destiny. Literally 'one made from many'. Roland forms his ka-te...

The particular version of Earth where time flows in only one direction and certain critical events must happen. It is th...

The life-force, the shared essence of a ka-tet, and a state of spiritual attainment. Roland had progressed through the k...

The traditional greeting in Mid-World, with the proper response being 'And may you have twice the number.' It marks a sp...

A ruined great city on the River Send, fallen into violent tribal warfare between factions called the Pubes and the Gray...

A religious sect of great travellers who seek holes in the world and passage between realities. They dress in dark Quake...

A barony on the Clean Sea in the Outer Baronies, where Roland was sent as a young man with Cuthbert and Alain. His love ...

The vast central geography of Roland's world. Once green and fertile, Mid-World has 'moved on' - decaying and losing its...

The vast, white, blinding desert that Roland crosses while pursuing the man in black. The apotheosis of all deserts, hug...

A mystically significant number that recurs throughout the series. It appears in room numbers, dates, counts, and names....

A powerful technology company that built much of the ancient infrastructure of Mid-World, including Blaine the Mono and ...

Sharpened throwing plates used as weapons by the women of Calla Bryn Sturgis, named after Lady Oriza. They have fluted c...

The primordial magical force that existed before the ordered universe, sometimes called the soup of creation. When the P...

A single, extraordinary rose growing in a vacant lot in New York City. It is the representation or twin of the Dark Towe...

Roland's revolvers, inherited from his father Steven Deschain. The stocks are sandalwood, yellow and finely grained, des...

A company formed to protect the rose in the Keystone World, officially the firm of Deschain, Dean, Dean, Chambers and Oy...

A polite expression of gratitude in the common speech of Mid-World. 'Sai' is an honorific roughly meaning sir or madam. ...

A weak spot in the fabric of reality where the barrier between worlds has worn thin, producing a disturbing warble. Foun...

A dark, blighted region between the Borderlands and End-World where time and reality are unstable. The Wolves ride out o...

The passage between worlds, or the dark spaces between them. Going todash means travelling between realities, sometimes ...

The force of good and order opposed to the Crimson King and chaos. Callahan invokes it against vampires, and an old woma...

Masked raiders who ride out of Thunderclap every generation to steal one twin from every set in the Callas. The children...

A recurring phrase describing the entropy and decay affecting Roland's world. Time, direction, and distance have become ...