Here is the full list of all 31 Seraph trophies - there are 14 bronze, 10 silver, 6 gold and 1 platinum.
Collect all other Trophies.
Reach difficulty 9.0 in Survival or New Game.
Score among the top 10% on a Daily challenge.
Score among the top 25% on a Daily challenge.
Kill 8,888 Daemons.
Defeat the final threat to Seraph at difficulty 8.0 and above.
Seraph is reborn.
Reach difficulty 8.0 in Survival or New Game.
Collect 75 story logs.
Score among the top 75% on a Daily challenge.
Defeat the final threat to Seraph.
Post a score in Survival mode
Kill the Herald at difficulty 6.0 and above.
Transmute a MK4 weapon.
Collect 50 story logs.
Upgrade a Blessing to rank 5.
Transmute the MKII version of each weapon.
Reach 6 pips on the difficulty meter.
Obtain a Supreme Shard.
Collect 25 story logs.
Kill 50 enemies under the influence of the Double damage Orb
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
Attach a Shard to an Oath.
Destroy a Fountain of Terminus.
Unlock Daemonsight through Transmutation
Kill 88 Daemons.
Slay a Lieutenant of Terminus.