i may have foud out how to lag or crash servers, New way.
Macro1
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/duel
/concede
/click ActionButton9
Macro2
/click ActionButton10
Put macro1 in button0
Put macro2 in button9
then press button 0
Not 100% sure if it would work, cause i have no one to test it with on the real servers. But it may do, try it with 2+ people