Here is the full list of all 62 HunterX: code name T achievements.
Reach the next level.
Reach level 50.
Reach level 100.
Reach level 200.
Defeat Mia in battle.
Defeat Isabella in battle.
Defeat Rico in battle.
Defeat a specific boss.
Defeat a boss without taking any damage.
Defeat a boss 5 times without receiving damage.
Defeat a boss 10 times without receiving damage.
Defeat a boss 15 times without receiving damage.
Defeat a boss 20 times without receiving damage.
Obtain all Flints.
Obtain all Celestial Runes.
Obtain all Celestial Weapons.
Obtain all Marka summon Occult.
Obtain Refined Spacetime Stone.
Obtain Shaman's Mace.
Obtain Frozen Axe.
Obtain Meteor Lance.
Obtain Warrior Focus.
Obtain Frozen Lightning.
Obtain Spirit of the Gargoyle.
Obtain Occult.
Obtain 5 types of Occult.
Obtain 15 types of Occult.
Obtain 27 types of Occult.
Successfully enhance a weapon.
Successfully enhance 1 type of weapon to max level.
Successfully enhance an Occult.
Successfully enhance 1 type of Occult to max level.
Destroy an enemy's bullet.
Retrieve Karma.
Parry an enemy's physical attack.
Defeat an enemy with Mortal Blow.
Defeat an enemy with Parry Chasing Attack.
Successfully land a Celestial Crush hit.
Resurrect after being killed by a monster.
Resurrect after being killed by a Debuff.
Resurrect after falling into water.
Explore every map.
Complete the monsters in your Archive.
Complete the items in your Archive.
Acquire all skills.
Destroy 999 Karma Crystals on the map.
Obtain all Traces.
Solve special puzzle in Spider Mountain.
Solve special puzzle in Devil Shrine.
Solve special puzzle in Born Tower.
Solve special puzzle in Citadel.
Solve special puzzle in City Center Sector 27.