Here is the full list of all 30 Seraph achievements.
Seraph is reborn.
Defeat the final threat to Seraph.
Kill the Herald at difficulty 6.0 and above.
Collect 75 story logs.
Upgrade a Blessing to rank 5.
Kill 8,888 Daemons.
Transmute a MK4 weapon.
Collect 50 story logs.
Score among the top 10% on a Daily challenge.
Transmute the MKII version of each weapon.
Collect 25 story logs.
Kill 50 enemies under the influence of the Double Damage Orb
Kill an 'enhanced' Elite (Bloody, Tainted, Dark).
Kill the Herald.
Equip a Miracle other than Orb or Repel.
Obtain a Supreme Shard.
Score among the top 75% on a Daily challenge.
Score among the top 25% on a Daily challenge.
Post a score in Survival mode
Unlock a weapon, Ward or Miracle through Transmutation
Reach 6 pips on the difficulty meter.
Kill 888 Daemons.
Destroy a Fountain of Terminus.
Attach a Shard to an Oath.
Unlock Daemonsight through Transmutation
Kill 88 Daemons.
Slay a Lieutenant of Terminus.
Reach difficulty 8.0 in Survival or New Game.
Reach difficulty 9.0 in Survival or New Game.
Defeat the final threat to Seraph at difficulty 8.0 and above.