Here is the full list of all 20 Spellweaver achievements.
Collect one copy of each Order card from Valiant Dawn.
Collect one copy of each Nature card from Valiant Dawn.
Collect one copy of each Rage card from Valiant Dawn.
Unlock all quest points on the World Map.
Collect one copy of each Dominion card from Valiant Dawn.
Collect one copy of each Corruption card from Valiant Dawn.
Win 7 Friendly or Ranked games in a row.
Complete 5 Epic quests.
Win a game by depleting your opponent's deck.
Complete 5 Spellweaver Trials.
Collect one copy of each Wisdom card from Valiant Dawn.
Win a game by having 40 or more life.
Play 100 games.
Play 20 Ranked games.
Win a game at 1 life.
Win a game that lasted at least 7 turns, without receiving any damage.
Win a game after playing at least one card from each aspect.
Reach a rating of 1250 or more points.
Reach 10 Wins in a Spellweaver Trial.
Unlock the Spellweaver fame title. (Reach Fame Level 35)