Chasmlighter contains all achievements related to Chasm in Genshin Impact (released at Genshin Impact 2.6). There’s 15 achievements available and after completing all 15 achievements, player can claim Chasm namecard as reward.
|1||Chasm Conqueror||Light up The Chasm surface map.||5|
|2||Perilous Plunge||Light up The Chasm: Underground Mines map.||5|
|3||Into the Depths||Unlock all Teleport Waypoints in The Chasm and its Underground Mines.||5|
|4,5,6||Gorge Guide||Follow 6/12/24 Seelie in The Chasm to their Seelie Courts.||5/10/20|
|7,8,9||Chasm Treasure Hunter||Open 50/100/200 chests in The Chasm.||5/10/20|
|10,11,12||Chasm Adventurer||Complete 3/6/12 Open World mechanism-activated Time Trial Challenges in The Chasm.||5/10/20|
|13||Arch-Illuminator||Enhance the Lumenstone Adjuvant to its highest possible level.||20|
|14||“When the Seal Is Broken…”||Remove the obstacles to your entry into the mines.||10|
|15||Exploration Underway||Complete the exploration commission from the Ministry of Civil Affairs.||10|
The rewards for this achievement is special namecard and total of primogems: 160.