"We can't let it slip away from us now.
"We have to be running on empty after this and we have to give everything we have got."
That is the view of Reds defender Luke Chambers, who says that talk of promotion being a year too early for Billy Davies' side is irrelevant.
"I want to find out. I want to have the chance to see," was his verdict ahead of the Bloomfield Road first-leg.
Home boss Ian Holloway wants his side to look past a passionate home crowd and keep their cool.
"For us to go any further we need to be totally and utterly professional and fearless," he said.
"That's what I'm going to be stressing to these boys."