Simple arithmetic : 2k monsters = 2k energy = 6000 minutes = 100 hours. If you will play this 16 hours per day, you'll get the first hard after 1 week. Good luck!
and, also for fun, golden net in Verditer: p,7,10;
b,11,8;
b,2,3;
b,2,5;
m,7,12,90,1,crrollwwwwwwwwwwww;
m,10,12,90,1,crolww;
m,8,8,90,3,wjcddouu;
m,11,4,90,1,cuuodd;
m,7,6,90,3,cdluorwwwwwwwwwwww;
m,14,8,180,2,cdou;
m,14,4,90,3,cllowwwwwwwwwwwwww;
m,10,0,0,3,cll22orr;
m,3,0,0,2,crudolww;
m,0,3,0,2,cdouccww;