Leinster wore down Munster to clinch a fourth successive Pro14 title as they earned a deserved 16-6 win at the RDS.
The holders lorded first-half territory but came up against a resolute Munster defence as Ross Byrne and Joey Carbery kicked two penalties at either end.
However, Jack Conan produced the Leinster breakthrough six minutes into the second half after more pressure.
Another Byrne kick extended Leinster's lead after he came back on when Johnny Sexton took a blow to the head.
Sexton lasted only a couple of minutes following his 59th-minute introduction after being caught by an accidental glancing boot although he was able to walk off the field unaided.
Despite the Ireland captain's absence, Leinster managed the game with the minimum of fuss in the closing stages with most of the action taking place in the Munster half - as had been the case throughout the 80 minutes.
A number of pundits had tipped Munster to earn their first Pro14 title since 2011 but Leinster controlled the game from the off as they didn't become frustrated by their first-half inability to turn territorial domination into points.
How they lined up
Leinster: Keenan; Larmour, O'Loughlin, Henshaw, Kearney; R Byrne, McGrath (capt); Healy, Kelleher, Porter; Toner, Fardy; Ruddock, van der Flier, Conan.
Replacements: Tracy, E Byrne, Furlong, Molony, Baird, Gibson-Park, Sexton, Lowe.
Munster: Haley; Conway, Farrell, de Allende, Earls; Carbery, Murray; Cronin, N Scannell, Ryan; Kleyn, Beirne; Coombes, O'Mahony (capt), Stander.
Replacements: O'Byrne, Kilcoyne, Archer, Holland, O'Donoghue, Casey, Hanrahan, R Scannell.
Referee: Mike Adamson (SRU)
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