First round:
place aura,bb,reflect and the shroompits During first wave:
Use TB to drop mana while also TB on and build fast the wisps. Second Wave until last wave:
Upp and TB and after all is up either just TB or TB + builder Last Wave:
Get 2 more splits out best would be with guardians monk or huntress pets and stand at boss time under the bridge but in the middle of it BOSS SPAWN:
Warden Builder press ab1 and then TB on and wait