From the front page:
"Dungeons & Raids Glory of the Tomb Raider Complete the Tomb of Sargeras raid achievements listed below. R̶e̶w̶a̶r̶d̶:̶ ̶A̶r̶m̶a̶m̶e̶n̶t̶s̶ ̶o̶f̶ ̶t̶h̶e̶ ̶L̶e̶g̶i̶o̶n̶.̶ ̶2̶5̶ ̶p̶o̶i̶n̶t̶s̶.̶ ̶A̶c̶c̶o̶u̶n̶t̶ ̶W̶i̶d̶e̶.̶ Title Reward: The Tomb Raider. 25 points. Account Wide."
Guess it would have cost us a raid tier, eh?