Ok, since as you can see, the new Lightning Lord is a retex of the DM's old Protector, and since I had previously the Protector as the new Earth Lord, some things are rearranged now.
First, Earth Lord is reverted back to his old textures, BUT with some changes:
The Earth Lord again looks to be made of volcanic rock instead of the "fresh soil" look of the Protector. However, instead of the intense orange glow of vanilla, he now has the lava shader applied. It's hard to capture in a picture, but the cracks in his skin (and his eyes) now pulse and shift like flowing magma.
Vanilla:
D2F v14:
This makes him look a little more dangerous and interesting than the old static glow. I also changed one of his spells, replacing his summoning spell with the "Dirt Spray" attack that the Garganthropod uses.
Because of this change, elite Earth Elementals no longer use this skin, and are changed back to the vanilla skin (identical to normal earth elementals, but larger).
I also took this opportunity to review and rework the stats and spells of each Lord. Now each one has a significant vulnerability (a "prone bonus") to a single element - this will correspond with the missing armor type in their health bar. Physical mitigation is reduced from v13 for all of them except the Earth Lord.
Outtake:
I experimented with a new Ice Lord but ultimately decided not to fix what wasn't broken. This might be nice design for the friendly water elemental in Tyr Lysia.