<p>These are the ones I was able to determine. Let me know If I've missed any:</p><table border="1" cellpadding="1" style="width:500px"><tbody><tr><td><strong>Achievement</strong></td><td><strong>Spoiler</strong></td></tr><tr><td>Askarak Nemesis</td><td>Obtainable by killing 100 Askarak Prince.</td></tr><tr><td>Champion of Summer</td><td>Obtainable by killing 20 bosses at the Dream Scar as part of The Dream Courts Quest when fighting for the Summer Dreamelves.</td></tr><tr><td>Champion of Winter</td><td>Obtainable by killing 20 bosses at the Dream Scar as part of The Dream Courts Quest when fighting for the Winter Dreamelves.</td></tr><tr><td>Death Song</td><td>Obtainable by killing 300 Deepling Spellsingers.</td></tr><tr><td>Depth Dwellers</td><td>Obtainable by killing 300 Deepling Warriors.</td></tr><tr><td>Down the Drain</td><td>Obtainable for killing 50 water elementals in Outlaw Camp/Water Elemental Dungeon during Down the Drain Mini World Change.</td></tr><tr><td>Ending the Horror</td><td>Obtained by finishing the mission A Retched Beginning during the Roshamuul Quest. (Kill 100 Retching Horrors)</td></tr><tr><td>Fire from the Earth</td><td>Obtainable for killing 50 fiery creatures in and on the Hellgore volcano during the Fire from the Earth Mini World Change.</td></tr><tr><td>Guardian Downfall</td><td>Obtainable for killing 300 Deepling Guards.</td></tr><tr><td>Never Guards.</td></tr><tr><td>Invader of the Deep</td><td>Obtainable by killing 300 Deepling Scouts.</td></tr><tr><td>Never Surrender</td><td>Obtained by killing 100 Sights of Surrender.</td></tr><tr><td>Shaburak Nemesis</td><td>Obtainable by killing 100 Shaburak Prince.</td></tr></tbody></table><p></p>