I've Been Killing Slimes for 300 Years and Maxed Out My Level

Benio Benio, Jasmine Bernhardt and others

Worked to the bone in her last life, Azusa is reborn as an immortal witch and spends 300 years quietly killing slimes, until her maxed-out level comes to light. The manga of Kisetsu Morita's comedy, drawn by Benio, as Azusa dodges adventure and gains a new family. Every volume we stock, in order, below.

One email when a new volume goes up for pre-order.

The runVols 1–17 · 8 on the shelf

On the shelf Out of stock or not yet out

I've Been Killing Slimes for 300 Years and Maxed Out My Level — quick answers

How many I've Been Killing Slimes for 300 Years and Maxed Out My Level volumes do you stock?: We stock I've Been Killing Slimes for 300 Years and Maxed Out My Level up to Vol. 17.
When is the next I've Been Killing Slimes for 300 Years and Maxed Out My Level volume out in the UK?: We don’t have a UK date for the next volume yet. The latest I've Been Killing Slimes for 300 Years and Maxed Out My Level volume we stock is Vol. 17, published 18 December 2025.
Where should I start with I've Been Killing Slimes for 300 Years and Maxed Out My Level?: Start with Vol. 1 and read in volume order. Every I've Been Killing Slimes for 300 Years and Maxed Out My Level volume we stock is listed on this page.