Dual Group One winner Magician was made to work to justify his prohibitive odds in the High Chaparral European Breeders Fund Mooresbridge Stakes at the Curragh.
The brilliant winner of last year's Irish 2000 Guineas before signing off his season with victory in the Breeders' Cup Turf, Aidan O'Brien's four-year-old was sixth when favourite for the Dubai Sheema Classic at Meydan in late March.
Dropping in class and trip for his return to domestic action, the Galileo colt went on his way the 2-13 favourite and Joseph O'Brien was happy to give each of his four rivals start.
He was still last turning for home and when asked to close on his opponents, the response was not immediate.
Jim Bolger's 2011 Dewhurst winner Parish Hall, disappointing in two previous starts this year, set sail a over a furlong out and for a brief moment it looked as though the bird had flown.
However, Magician eventually found top gear and wore him down to take the Group Three prize by a neck.
It was a fifth consecutive victory in the race for the winning trainer following the previous successes of Fame And Glory, So You Think, Windsor Palace and Camelot.
Weld completed a double on the afternoon as Flying Jib made a winning return in the Canford Cliffs European Breeders Fund Athasi Stakes.
A winner at Dundalk and at this track as a juvenile, the daughter of Oasis Dream (2-1 favourite) completed the hat-trick in the hands of Kevin Manning.
O'Brien's Peace Burg looked to have pinched it but Flying Jib gradually reeled her in to take the Group Three by half a length.
Wannabe Better was third.