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