Slam kicks ass and its very much an underrated ability.
Talking about efficiency, mix/max, etc - I've seen an Iksar Shaman make 60 incredibly quickly without AOE proxy, and its somebody who has work/school/life outside EQ (also happens to be a great player, however)
Forget about frontal stun immunity and slam, Iksar doesn't even get JBB.
Race really doesn't matter at the end of the day. Some players prefer Slam over frontal stun immunity, some players prefer Iksar over JBB. It all comes down to your level of nubbage. Shaman is OP and easy to get to XP with, period.
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