Lord Rhyolith ignores players while his armor is intact, but they can attack his feet to control his movement.
– Lord Rhyolith awakens encrusted in a thick coat of Obsidian Armor, which reduces all damage he takes by 80%. Lord Rhyolith's Obsidian Armor is reduced by 10% every time he steps on an active volcano.
In Heroic Difficulty when Lord Rhyolith steps on an Active Volcano, 5 Liquid Obsidian creatures spawn around him.
– The Liquid Obsidian moves towards Lord Rhyolith, and casts Fuse when it reaches him.
– The Liquid Obsidian fuses with Lord Rhyolith, increasing his damage reduction by 1%.
– Lord Rhyolith smashes the ground, inflicting 32375 to 37625 Fire damage to all players. Each stomp creates two to three volcanoes.
– Lord Rhyolith ignites a Volcano, causing it to inflict 3000 Fire damage to 3 players every 2 sec. When struck, the player takes 5% additional Fire damage for 15 sec. This effect stacks up to 20 times.
In 25 player raids, the Volcano inflicts damage on 6 players.
– Lord Rhyolith creates a crater when he steps on an active volcano. Occasionally, Lord Rhyolith causes streams of lava to flow from a crater. The moving stream of lava inflicts 50000 Fire damage to any player in its path. After 10 sec. the stream of lava erupts, inflicting 100000 Fire damage to any player standing within a lava stream.
– Lord Rhyolith releases a jet of cinders, inflicting 3750 Fire damage to players within 0 yards and creates either 5 Fragments of Rhyolith or 1 Spark of Rhyolith.
Fragment of Rhyolith
– Fragments of Rhyolith have low health. If not slain within 30 sec, they inflict damage equal to their current health to a random player.
In 25 person raids, they deal damage equal to half their current health to a random player.
Spark of Rhyolith
– Sparks of Rhyolith inflicts (2.2% of Spell power) Fire damage to all players within 12 yards.
– Sparks of Rhyolith increase their damage dealt by 10% and damage taken by 10% every 5 seconds. This effect stacks up to 20 times.
– If Lord Rhyolith reaches the edge of his plateau, he drinks from the liquid magma and inflicts 8750 Fire damage every second on all players for 4 sec.