Magma Set

The Magma Set consists of all Items that give protection against Fire Damage. Wearing this full Set will give you 23% Fire protection, but increase damage taken by Ice by 24%.
Note that Dragon Necklace is not actually part of Magma Set, but provides 8% protection against fire for 200 charges, so with it set gives total 31% protection against Fire. With Magma Set, Dragon Necklace and Might Ring you have 51% protection against Fire.

Sorcerers may replace the Magma Coat with a Dragon Robe, getting a total of 27% fire protection and -28% ice protection.

Sorcerers and Druids can replace the Magma Coat with a Royal Scale Robe, getting a total of 20% fire protection, -16% ice protection and a +2 Magic Level boost.

Item	Attributes	Dropped by	Level
Magma Amulet[1]	fire +20%, ice -10%	None.
Magma Monocle	fire +4%, ice -5%	Diabolic Imp, Efreet, Marid, Merikh the Slaughterer, Fahim The Wise.	0
Magma Coat	fire +8%, ice -8%	Diabolic Imp, Fire Overlord, Hellfire Fighter, Morgaroth.	50
Magma Legs	fire +6%, ice -6%	Hellfire Fighter, Hellgorak, Ferumbras.	40
Magma Boots	fire +5%, ice -5%	Dragon Lord Hatchling, Infernalist, Orc Warlord.	35
Also of interest
Dragon Necklace[2]	fire +8%	Hunter, Acolyte of the Cult, Yakchal.
Dragon Robe	fire +12%, ice -12%	Morgaroth.	75
Zaoan Robe	fire +10%, ice -10%	Lizard Dragon Priest, Draken Spellweaver.	60
Royal Scale Robe	fire +5%	None.	100
Might Ring[2]	physical +20%, fire +20%, earth +20%, energy +20%, ice +20%, holy +20%, death +20%.	Ashmunrah, Demon, Hero, Morgaroth, Worker Golem, Zugurosh, Latrivan.

1. ↑ Magma Amulets haven't been known to exist yet, has limited charges.
2. ↑ ^{2,0 2,1} Dragon Necklace and Might Ring have limited charges.

See also other Sets.