Here is the full list of all 13 Heroes of Scene achievements.
Build the maximum number of buildings in a battle with the player
Get the increase any resource more than +10 sec in game mode
You need to have 10 heroes in same time
Win with less than 10% health of gate in game mode
Win with full health of gates in game mode
Complete training
Kill 10 enemies in game mode
Win a player for 30 seconds
Get two rare cards at same time
Defeat your opponents with a rating higher than you more than 500 units
Use 100 spells in game mode
Summon 100 heroes in game mode
Exchange 1000 resource time or more