Obsidium armor

Obsidium Armor is a craftable Pre-Hardmode armor set made from Obsidium Bar, Magma Shard, and Lava Gem. It takes a total of 45 Obsidium Bar, 1 Magma Shard and 10 Lava Gem to craft a full set, or 95 Obsidium Bar and 50 Lava Gem if you want to craft all the helmets with the set.

It consists of a Obsidium Longcoat and Obsidium Pants as well as six different headpieces: the Obsidium Headguard, Obsidium Headgear, Obsidium Hat, Obsidium Mask, Obsidium Band, and the Obsidium Helmet.

The Obsidium Longcoat gives 8 defense and immune to Lava, along with On Fire! and Burning debuff. The Obsidium Boots gives 7 defense, provides infinite water walking, free movement in liquids, and 10% increased movement speed.
 * The Obsidium Hat gives 6 defense, 15% increased magic damage and increases maximum mana by 60.
 * The Obsidium Band gives 6 defense, 15% increased throwing damage, +4 defense, and 33% increased throwing velocity.
 * The Obsidium Headguard gives 6 defense, 15% increased melee damage, and 10% damage reduction.
 * The Obsidium Mask gives 6 defense, 15% increased summon damage and +3 max minion.
 * The Obsidium Headgear gives 6 defense, 15% increased ranged damage, and 10% increased ranged critical strike chance.
 * The Obsidium Helmet gives 6 defense, 15% increased mystic damage, and 200% increased mystic duration.

Obsidium armor's set bonus makes all attacks will inflict On Fire! debuff.

A full set will always provide at least 23 defense.