Hi is there a method for merging 2 section in only one?
No, but you can do it easily through:
User CP > Edit Options > View 50 threads on one page
Then move 100 threads at once in every forum.
When you use the you Select all checkbox you should get the option to Select all XXX threads in this forum, then just use the mod tools to move them all to the other forum.
Thanks
Solved