Echo bosses

Echo bosses are custom solo encounters on Sarim RSPS. Each has an achievement gate and a dedicated reward path. Choose a target around your build and the equipment you want; the component drop rate alone does not tell you how quickly you can finish its recipe.

Choose an encounter

Solo Echo roster and equipment targets

Encounter	Required task	What the fight asks of you	Equipment target
Echo Kalphite Queen	Insect Deflection	Melee first form; ranged or magic second form	Nature’s recurve · Infernal tecpatl
Echo King Black Dragon	Who Is the King Now?	Ground hazards, prayer disruption and four minions	King’s barrage
Echo Cerberus	Unrequired Antifire	Magic attacks, persistent lava and nine-soul waves	Fang of the hound
Echo Dagannoth Kings	Toppling the Diarchy	Shared health, rotating protection and poison	Devil’s element
Echo Sol Heredit	Perfect Footwork	Spear/shield movement, prisms and healing totems	Shadowflame quadrant · V’s helm

How solo Echo access works

1. Complete the encounter’s named Combat Achievement. Open ::cas to check your completion record.
2. Select the corresponding Echo destination in the teleport interface. The server checks the required task before creating your private instance.
3. Prepare for repeat kills. Solo bosses respawn after roughly 10 seconds; leaving ends that instance.

Solo Echo bosses and Forsaken Trials are separate activities. This reference covers individual Echo teleports and their direct drops. Forsaken Trials is the chained activity also known in older code as Dominion of Echoes. It includes a different roster and its own end-of-run rewards. Do not use these solo drop rates to estimate a Trials run.

What a completed kill can give you

Solo Echo rewards combine a coin floor, ordinary boss loot, a component roll and a rarer finished-equipment roll. The coin bonus is a separate 1 in 26 roll; it is added to the floor.

Dedicated Echo coins; ordinary loot is additional

Encounter	Guaranteed coins	Possible bonus	Counting unit
Echo Kalphite Queen	250,000	1,000,000	Per completed kill
Echo King Black Dragon	300,000	1,250,000	Per kill
Echo Cerberus	350,000	1,500,000	Per kill
Echo Dagannoth Kings	200,000 per King	750,000 per trio	600,000 base per completed trio
Echo Sol Heredit	500,000	2,000,000	Per kill

Components lead to the Demonic Pact recipes. The seven finished items are untradeable. Component attempts and direct finished drops are separate paths; neither guarantees an item after a fixed number of kills.

Prepare for the mechanic, then the grind

• Check the gate first. Bring the exact task name to Combat Achievements; its completion unlocks the corresponding solo teleport.
• Match your switches to the encounter. KQ changes style protection; the Kings rotate which target can take damage. Read the individual encounter before choosing equipment.
• Set your build at home. Review account perks and equipment attachments before entering.
• Check recipe ingredients before chasing a component. A component still requires ordinary equipment and a successful upgrade attempt.

Current scope

The solo roster is Kalphite Queen, King Black Dragon, Cerberus, Dagannoth Kings and Sol Heredit. The linked pages keep access, encounter mechanics and reward counting together. No universal “best boss” or kills-per-hour ranking is assumed.

About this reference

Encounter and reward details were reviewed against Sarim’s current game source on September 9, 2026. This page describes the solo Echo teleport. Forsaken Trials uses a separate encounter sequence and reward system. Check the in-game teleport, Combat Achievements and Sarim Hub when planning your next trip.