Tombs of Amascut for Zerkers (60 Attack) 

150 Invocation ToA run. Gear upgrades would be masori and shadow. Downgraded gear will still work well, including all void switches.
I do recommend void if you're learning so you can bring many more supplies.
Path of Crondis - 00:47
Zebak - 1:56
Path of Scabaras - 4:03
Kephri - 5:38
Path of Apmeken - 10:40
Ba-Ba - 14:49
Path of Het - 18:15
Akkha - 19:54
P1 Wardens - 23:49
P2 Wardens - 24:36
P3 Wardens - 27:23
P4 Wardens - 30:00