creep spawning and hero exp gain

[kude]

hi everyone, can i ask a help for making a TRIGGER that will spawn creeps every one minute for 20 levels?can somebody show me how to to do it? im trying to make a GLADIATOR MAP, something like the ORC GLADIATORS..and how am i gonna alter the exp table to make the hero gain bigger exp than the normal exp gaining? THANK YOU

 

[TheBlueOne]

1:Look at this!
2:I would set the needed exp down in the "gameplay constands" or you could set the percentage higher at the same place or create a trigger
Unit dies
Killing unit = Hero
Add X exp to hero