(CHAPTER CONTAINS SPOILERS OF SECRET TECHNIQUES. READ AT YOUR OWN RISK)
Here is the information on the secret techniques in the chronological order they will appear in the novel.
---------------------------------------------------------------------------------------------------------
Secret Technique: Manic Exaggeration
User: The Lost Maniac
Ability: It allows him to bring his victim or opponent into their mind and acts as controls the opponent inside his mind. He can also create illusions in his mind.
-----------------------------------------------------------------------------------------------------
Secret Technique: Soul Twister
User: The Gray Soul
Ability: It allows him to subjugate the mind of his opponents, allowing him to create the same opponent with the same abilities he/she has.
------------------------------------------------------------------------------------------------------
Secret Technique: Tomb Vortex
User: The Tombstone Teacher
Ability: The secret technique Tomb Vortex does not only raise people from the dead, but it can also raise high and low undead armies, knights, and lich.
------------------------------------------------------------------------------------------------------
Secret Technique: Dispersion of Hell
User: Miyaguchi Mikazuki
Ability: Dispersion of Hell sends the user and his/her opponents to hell, where necromancy nor ability nor magic works, which ends up consuming more of the mana and magic power from the opponent.
-------------------------------------------------------------------------------------------------------
Secret Technique: Sword Birth
User: The Lost Guardian
Ability: It allows him to unleash multiple/different varieties of swords.
--------------------------------------------------------------------------------------------------------
Secret Technique: Charm of Magic Disruption
User: Murray
Ability: All forms of magic is cancelled out if it is within a certain range of distance. It can destroy buildings and also eliminate human lives if they are within that range.
--------------------------------------------------------------------------------------------------------
Secret Technique: Beam of Ancestral Fury
User: The Escaped Servant
Ability: This secret technique requires a lot of magic and power and also drains life force. Beam of Ancestral Fury is used when the user is either in danger or is angry about a particular incident. The Beam of Ancestral Fury spreads as far as 2 km after making an impact.
-----------------------------------------------------------------------------------------------------------
Secret Technique: Moonlight Frenzy
User: The Midnight Guardian
Ability: It makes the user go in a state of uncontrolled wild dementedness turning himself into an ancient beast that looks like a wolf. The secret technique can only be used on a full moon and increases the ancestral spirit strength.