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