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