You may try Vstack& filter.
=VSTACK(
FILTER(Sheet1!A2:I1000,Sheet1!A2:A1000<>""),
FILTER(Sheet2!A2:I1000,Sheet2!A2:A1000<>""),
FILTER(Sheet3!A2:I1000,Sheet3!A2:A1000<>""),
FILTER(Sheet4!A2:I1000,Sheet4!A2:A1000<>""),
FILTER(Sheet5!A2:I1000,Sheet5!A2:A1000<>""),
FILTER(Sheet6!A2:I1000,Sheet6!A2:A1000<>""),
FILTER(Sheet7!A2:I1000,Sheet7!A2:A1000<>""),
FILTER(Sheet8!A2:I1000,Sheet8!A2:A1000<>""),
FILTER(Sheet9!A2:I1000,Sheet9!A2:A1000<>""),
FILTER(Sheet10!A2:I1000,Sheet10!A2:A1000<>""))
Data in sheet 1
Result in sheet master.