Much of the interest in the Swords Hurdle was lost when Cailin Alainn was declared a non-runner, but victory went to another chaser reverting to timber in Ballyagran.
Noel Meade's 11-1 chance had been off since finishing down the field in the Paddy Power Chase over Christmas, but was ridden positively by Paul Carberry and went up to dispute the lead with Clear Riposte approaching four out.
The pair had it between them from that point, but Ballyagran had more stamina and scored by a length and a quarter.
Walsh gained immediate compensation when making all the running on Clear Riposte's stablemate Taipan's Way in the Blanchardstown Maiden Hurdle.
Sent off a 9-4 chance, the Willie Mullins-trained six-year-old carried Trevor Hemmings' colours to a seven-length success over favourite Gloonan Hill.
Mullins and Walsh doubled up when Serpentaria (4-5) made it two from two in this sphere in the John McCarthy Memorial Hurdle.
A useful stayer on the level for Sir Mark Prescott, the filly had enjoyed a confidence-boosting start to her hurdling career at Thurles and was always travelling well in a prominent position here.
She took up the running heading to the second-last and quickened like a smart prospect to account for Slievecorragh by an effortless 11 lengths. Her next port of call could be Punchestown.
Ruby Walsh continued his red-hot streak when bringing his treble up on Drumnavaddy Lough (4-1), who was driven out to land the Maynooth Handicap Chase with something in hand.
Noel Meade and Paul Carberry achieved a brace of their own when Offaly (3-1) ran out an emphatic eight-length winner of the Baltrasna Beginners Chase.
Asian Royale (9-2) ended a frustrating sequence of placings last time and the win clearly did him the world of good because he scythed through the pack in the Mulhuddart Handicap Hurdle and won as he liked under Niall 'Slippers' Madden.
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