Ulster - the only team outside England and France to lift the Heineken Cup - travel to face The Dragons on Sunday with coach Alan Solomons wary of the Percy Montgomery factor as the Springbok full back gets set to return to action.
"We last played them in September and a lot has happened since then," said Solomons.
"The Dragons have improved substantially and are a real force on their home patch where they are building a most impressive record. It is a serious challenge and we are expecting a very physical match.
"They have a strong pack of forwards and then backing that up they have the excellent boot of Lee Jarvis. Outside him they have a lot of experience with Andy Marinos in the centre and Percy Montgomery at full back after his lengthy suspension.
"Percy is a world class player and we are well aware of the sort of damage he can do if you allow him any space."
"Any Heineken Cup match is tough - when I say there are no easy matches in this tournament I really mean it - and playing away from home in this competition is doubly tough."