.:Ragnarok Quests and Guides:.
Inside the Assassin Guild
Throw Venom Knife x 1
|Talk to him, tell you want to learn Venom Knife and he will teach you the skill.
Inside the Assassin Guild, just opposite to Killtin against the wall.
Sonic Acceleration x 1
|Requirements: You must have learnt Venom Knife and Sonic Blow in order to learn this skill.
Talk to her, tell her you want to learn Sonic Acceleration and she will ask you to complete one of the three tasks. The 3 tasks are assigned randomly.
When you reach the location you are assigned to, there will be NPC chat window triggered and ask you want to do. There are chances that you will receive status change effects such as sleep, poison, freeze etc while you inspect the place to find the treasure. You will have to try a few times (walk a few tiles away and go back) until you success.
Here are the 3 possible tasks:
Task 1: Sphinx Level 2 - Old Coffin (in_sphinx2,212,267).
She will ask you to bring her treasure from an Old Coffin located at Sphinx dungeon level 2. There are more than one Old Coffins on the map and only one has the treasure you are looking for. When success, you will obtain a Sapphire to bring back to Esmille.
Task 2: Sphinx Level 2 - Stone Statue (in_sphinx2,13,163).
She will ask you to bring her treasure from a Stone Statue located at Sphinx dungeon level 2. There are more than one of them on the map and only one has the treasure you are looking for. When success, you will obtain a Ruby to bring back to Esmille.
Task 3: Pyramids Level 4 - Flooded Crypt (moc_pryd04,85,96).
She will ask you to bring her treasure from a the Flooded Crypt located at Pyramids Level 4 just to the left of the center water area. When success, you will obtain an Aquamarine to bring back to Esmille.
Just follow the marked location on the map above. Bring the jewel back to Esmille and she will teach you the skill.