Priest Greymore, who infiltrated the Monastery of Silence, is looking for adventurers to defeat the monks in the Monastery of Silence by order of Priest Dominic of Rune Village...

Starting NPC	Greymore Priest
Starting location	Monastery of Silence, Rune Territory
Level	80 ~ 85
Type	Repeatable
Reward (random)	SP scrolls Iracus weapon piece Iracus weapon recipes
Pre-quest required	Secret Mission

The One Who Ends Silence quest guide

The chance of receiving a reward depends on the number of items handed in:

Tattered Monk Clothes NG x 100	Some chance of getting 1 Icarus Weapon recipe, Icarus weapon part, SP scroll (random)
Tattered Monk Clothes NG x 200	Some chance of getting 1 Icarus Weapon recipe, Icarus weapon part, SP scroll (random)
Tattered Monk Clothes NG x 300	100% chance of getting 1 Icarus Weapon recipe, Icarus weapon piece, SP scroll (random)
Tattered Monk Clothes NG x 400	100% chance of getting 1 Icarus Weapon recipe, Icarus weapon piece, SP scroll (random) Some chance of double reward
Tattered Monk Clothes NG x 500	100% chance of getting 1 Icarus Weapon recipe, Icarus weapon piece, SP scroll (random) Some chance of double reward
Possible recipes:	Recipe - Icarus Sawsword (60%) NG Recipe - Icarus Disperser (60%) NG Recipe - Icarus Spirit (60%) NG Recipe - Icarus Heavy Arms (60%) NG Recipe - Icarus Trident (60%) NG Recipe - Icarus Hammer (60%) NG Recipe - Icarus Hand (60%) NG Recipe - Icarus Hall (60%) NG Recipe - Icarus Spitter (60%) NG
Possible pieces:	Icarus Sawsword Piece NG Icarus Disperser Piece NG Icarus Spirit Piece NG Icarus Heavy Arms Piece NG Icarus Trident Piece NG Icarus Hammer Piece NG Icarus Hand Piece NG Icarus Hall Piece NG Icarus Spitter Piece NG
Possible scrolls:	SP Scroll (Low-Grade) NG SP Scroll (Medium-Grade) NG SP Scroll (High Grade) NG SP Scroll: Highest Grade NG