To specialize in this class, player's character has to meet the following requirements.
Level
40
You must be level 40 or higher
Class
Wizard
OR
Cleric
Your current specialization must be "Wizard" or "Cleric" class
Attribute
380 Constitution
Your constitution must be 380 or higher
Attribute
270 Power
Your power must be 270 or higher
Skill
Command 1
You must have the skill "Command", rank 1 or higher
Skill
Summoning 2
You must have the skill "Summoning", rank 2 or higher
Skill
Earth 3
You must have the skill "Earth", rank 3 or higher
Skill
Sap 1
You must have the skill "Sap", rank 1 or higher
Trial
Perseverance
You must have the item "Mark of Perseverance"
Trial
Ruse
You must have the item "Mark of Ruse"