Here is the full list of all 51 Sacraboar achievements.
Captured 50 Pig Trophies
10 Relieve Spells used
Captured 25 Pig Trophies
10 Ice Spells used
10 Shot Blocker Spells used
10 Boost Spells used
10 Burden Spells used
10 High Damage Spells used
10 Shield Spells used
10 Heal Spells used
Played One online match
Played 10 online matches
Played 50 online matches
Played 100 online matches
Won 25 online matches
25 Speed Towers built
25 Neutralization Towers built
25 Protection Towers built
25 Damage Towers built
25 Resource Towers built
25 Power Stations destroyed
50 Enemy Towers destroyed
10 Matches on a Lava Map
10 Matches on an Winter Map
10 Matches on a Fall Map
10 Matches on a Swamp Map
25 Matches on a Lava Map
25 Matches on an Winter Map
25 Matches on a Fall Map
25 Matches on a Swamp Map
10 Haste Spells used
10 Slow Motion Spells used
10 Freeze Region Spells used
10 Block Magic Spells used
10 Shelter Spells used
10 Regeneration Spells used
10 Grenade Spells used
10 Time Bomb Spells used
Won the Cup
Won the League
Finished 10 Challenges
Finished 25 Challenges
Finished 50 Challenges
Finished all Challenges
Won 3 skirmish matches against the Bronze AI
Won 3 skirmish matches against the Silver AI
Won 3 skirmish matches against the Gold AI
Won a skirmish match against the Hero AI
Won a skirmish match against the Legend AI
Won a skirmish match against the God AI
Captured 100 Pig Trophies