[Trigger] How can i combine 7 items ?

[pyaeheinn]

Hi, i want to combine 7 items. That is same as DotA item combine style. If i have 6 items and then i buy recipe they are combine. How can i make that ? Plz help me.

 

[ap0calypse]

Make the recipe a tome dummy
(put a tome in the shop and when you buy it and it hasn't been combined, turn it into an item).

 

[D4RK_G4ND4LF]

make 3 items combine to something and 3 items to other something and then make the 2 new items to the new item