Here is the full list of all 77 Tower of Time achievements.
Craft 30 items
Reach the ultimate attribute cap of 40 for any attribute.
Apply 30 upgrades to items
Apply 10 enchantments
Use Blind Rage 2 times in one combat
Increase a single skill to a maximum.
Withdraw from battle 100 times.
Summon Mech 4 times in one combat
Use Gravity Well 4 times in one combat
Kill 3 enemies in one fight with Headshot
Use Teleport 5 times in one combat
Cast Elemental Barrage 25 times in one combat
Learn all 6 skills on a single hero.
Equip all Relics on one character
Kill 5 enemies in one combat with Blades of Justice
Transmute gems 30 times
Reach the 25 point attribute cap for any attribute.
Place Exploding Runes 5 times in one combat
Unlock Mystic Whisper.
Win battle with just one champion
Find all Sleath notes.
Deal 10000 damage in one combat with Rain of Arrows
Heal 1000 damage in one fight with Healing Totem
Use Dash skill 10 times in one combat
Cast Fireball 5 times in one combat
Unlock Blademaster Boron.
Resolve the conflicts between the Water and Earth Servants.
Reach level 6 with any hero.
Defeat Ancient Guard
Solve the puzzle of the clocks.
Blind 20 enemies in one combat
Heal hero which has less than 5 HP
Finish battle with full hp of whole party
Unlock Runelord Rakhem.
Deal 1000 damage with Ent in one combat
Upgrade Mage Tower.
Equip all items for a hero.
Kill 100 enemies.
Unlock Druid Aeric.
Kill death reaper
Upgrade Armory.
Win battle with a caged hero
Get Cindros Sword
Use Teleporter.
Obtain a legendary item.
Kill first enemy
Win battle when whole party has less than 10 HP
Win combat with health and mana of every champion under 10%
Win a fight on level 4 or higher with 2 or less champions
Apply weakness to 20 enemies in one combat.