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