Langdarma
External links
Table:
Regnal titles

Preceded by

Ralpacan

Emperor of Tibet
r. 838–841

Succeeded by

'Od-srung (Guge) and Yum-brtan (Lhasa)

Having looked at the data table for 'Langdarma' — "External links" section, compose one sentence describing only the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.