Web Novel Volume 18

This is the seventeenth volume of the Mushoku Tensei light novel.

Synopsis
MISSION AGAINST HITOGAMI APOSTLES

It's been a few weeks since they returned from the library labyrinth. Rudeus accompany Ariel to the Kingdom of Asura to complete the Mission to make Ariel king. In preparation for the decisive battle, the group prepares the stage at the royal castle of Ars.

On the day of the party that happens after overcoming many obstacles. Ariel take down the enemy power of the First Prince.However, the opponent also has a trump card hidden it, ending up in a predicament ...?. Can Rudeus safely take Ariel to the throne?

Chapters

 * Chapter 1: Departure Towards Asura Kingdom.
 * Chapter 2: Red Dragon's Upper Jaw.
 * Chapter 3: Conjecture.
 * Chapter 4: Ariel's Choice.
 * Chapter 5: Tristina.
 * Chapter 6: Along the Way.
 * Chapter 7: Imperial City Ars.
 * Chapter 8: Mortal Combat at Dusk.
 * Chapter 9: Ariel's Battleground.
 * Chapter 10: Rudeus's Battleground.
 * Chapter 11: Luke's Recklessness.
 * Chapter 12: Truth of Orsted and Ten Days in the Capital.
 * Chapter 13: Farewells and Sylphy's Change.
 * Chapter 14: Return and Determination.
 * Extra chapter: ???.

Adaptation Notes
Differences from the original web novels
 * Extra chapter: ???: New original chapter for the light novel.