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