The rout would have been better had Leinster not managed to rally within the third quarter, however by then, they have been on a damage-limitation train.
Leinster’s trigger was not helped within the opening by a string of fundamental errors and the Stormers, though additionally susceptible to mishaps, made them pay as they constructed up a 23-0 interval lead.
The Stormers refused to be rattled early on regardless of out-half Manie Libbok making a multitude of the kick-off, which solely went 5 metres and in addition a failed touch-finder down the left within the opening minutes.
They pounced, although, on a Leinster error to run within the opening strive from deep. Leinster out-half Sam Prendergast discovered a great contact down the left with a penalty, however whereas they received the lineout, the transfer broke down in midfield and centre Damian Willemse pounced to interrupt earlier than sending winger Ben Loader away. The previous London Irish participant had the fuel to attain, with Libbok including the extras after 4 minutes.
Leinster continued to get pleasure from good possession however, as soon as once more, fluffed a lineout, this time from 5 metres, as they didn’t threaten the house line.
Libbok prolonged the Stormers’ result in 10-0 after 18 minutes from a penalty received by a superior scrum.
Leinster had a strive scratched after 27 minutes when Liam Turner scored in the appropriate nook, however full-back Henry McErlean was pinged for a deal with off the ball within the build-up.
Libbok once more discovered the vary with a penalty from 45 metres after Leinster scrum-half Cormac Foley was penalised for a neck roll on flanker Marcel Theunissen.
And he stretched the lead out to 16-0 two minutes from the break after Jason Jenkins was penalised as Leinster defended on the again foot.
The Stormers turned the screw earlier than the break, piling ahead with penalty benefits earlier than captain Salmaan Moerat received over and Libbok’s fifth kick of the night time made it 23-0 on the break.
It received worse for Leinster on the restart when no pillars on the ruck have been uncovered as scrum-half Herschel Jantjies cantered in for a transformed strive from exterior the 22.
Leinster have been gazing a hammering, however they managed to regroup and stem the movement. Good stress contained in the 22 was ultimately rewarded when Max Deegan squeezed over and Sam Prendergast transformed after 58 minutes.
Two minutes later, Deegan turned supplier and the No 8 displayed nice tempo down the left earlier than sending Rob Russell over for his seventh strive of the marketing campaign.
The fixed stress from Leinster and the continued penalties and benefits inevitably led to a yellow card, with Stormers No 8 Evan Roos binned after 59 minutes. Leinster opted for the scrum however have been pinged on engagement, and on the subsequent scrum once more, conceded a penalty, with Libbok lacking the primary of his seven kicks from midway as they took a 30-12 lead into the ultimate quarter.
They pushed on from there and wrapped up the bonus level ten minutes from time when substitute flanker Willie Engelbrecht scored from shut vary because the Leinster defence was once more opened in one other chastening South African expertise.
And the Stormers completed in model when full-back Warrick Gelant dummied his reverse quantity McErlean to attain a surprising strive within the left nook.
Scorers – Stormers – Tries: B Loader, S Moerat, H Jantjies, W Engerlbrecht, W Gelant. Cons: M Libbok (4). Pens: Libbok (3). Leinster – Tries: M Deegan, R Russell. Con: S Prendergast.
Stormers: W Gelant; S Hartzenberg, D du Plessis (W Simelane 61, 6), D Willemse, B Loader; M Libbok, H Jantjies (S Ungerer 71); B Harris (Okay Blose 59), J Dweba (A-H Venter 57), N Fouche (F Malherbe 59); S Moerat (c), R van Heerdan (C Evans 71); M Theunissen (H Dayimani 68), B-J Dixon (W Engelbrecht 69), E Roos
Leinster: H McErlean; L Turner, B Brownlee, C Ngatai (C Teckor 67), R Russell; S Prendergast, C Foley (F Gunne 72); M Milne (E Byrne 43-48-53), J McKee (G McCarthy 57), M Ala’alatoa (T Clarkson 43); B Deeny, J Jenkins (C O’Tighearnaigh 56); R Ruddock (M Moloney 43), S Penny (c) (D Mangan 74), M Deegan.
Referee: Andrea Piardi (Italy).