I just discovered Earth Elementals too. I was having a bit of a rough go of the ruined temple in the Umar Hills quest. (lots of drain, and the skeletons were hitting pretty hard.
Bring an Earth Elemental to the fight, and the whole equation changes!
skeleton warrior: *weapon ineffective*
shadow wolf: *weapon ineffective*
earth elemental: *weapon ineffective*
sir krustin: 25 damage
sir krustin: 1 damage
sir krustin: 1 damage
anamon: 20 damage
erewhon: 5 damage
erewhon: 5 damage
erewhon: 5 damage
nalia: 6 damage
harlequin: 12 damage
skeleton warrior: death
shadow wolf: death
