Troublesome Crystals is an achievement that requires the player to collect all 16 Prifddinas memoriam crystals after Plague's End, not including the unknown crystal.

Memoriam crystals (Prifddinas) map


Memoriam crystal Story Location
Memoriam crystal 01 Harmony: Devotion West of Morvran in Iorwerth Clan district, in front of the house which cannot be entered.
Memoriam crystal 02 Harmony: Longevity The house east of the Elder tree patch in Crwys Clan district, on the south side.
Memoriam crystal 03 Harmony: Need Inside the Trahaearn Clan Tower with the Trahaearn herald.
Memoriam crystal 04 Harmony: Companionship Inside Haf's Battlestaves shop, in the Cadarn Clan district.
Memoriam crystal 05 Symphony: Change Pickpocketed from Arianwyn near the Cadarn herald with the shard of Zaros equipped.
Memoriam crystal 06 Symphony: Exploration Speak to Lord Iorwerth, near the Iorwerth prayer altar, and ask him about Clan Iorwerth. The crystal is obtained when the world gate is mentioned. Requires completion of Fate of the Gods.
Memoriam crystal 07 Symphony: Exodus In the building south of the Seren Stone rocks; search the crate on the west side of the building.
Memoriam crystal 08 Symphony: Magic Plant a bush in the bush patch, just east of the Crwys bankchest, then check the health once it has grown.
Memoriam crystal 09 Aria: Exploration In the Hefin Cathedral south of the Corrupted Seren Stone.
Memoriam crystal 10 Aria: Emanation In the harp building on the south-west side of the Ithell Clan district.
Memoriam crystal 11 Aria: Enervation In Daffyd's house at the north-west edge of the Amlodd Clan district.
Memoriam crystal 12 Aria: Excavation In Lady Meilyr's house in the north-east corner of the Meilyr Clan district.
Memoriam crystal 13 Lament: Denial Use one of the emotes awarded from the Hefin Agility Course near the serenity posts. Requires level 77 Agility.
Memoriam crystal 14 Lament: Anger Collect a bucket of sand from the sandpit in the southern side of the Ithell clan district while only having 10 or more empty buckets in the inventory. If anything else is in the inventory this memoriam crystal will not be received.
Memoriam crystal 15 Lament: Melancholy Teleport to the fairy ring in Prifddinas (DJS). Requires partial completion of Fairy Tale Part II.
Memoriam crystal 16 Lament: Acceptance Harvest moss from a harmony pillar while under the effect of a perfect juju farming potion, with a fruit tree fully grown in the Meilyr district. Requires level 75 Farming.
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