merlin (fate)

About the merlin (fate) tag

merlin (fate) is a character tag that NovelAI Diffusion can use. On Danbooru it has 1,312 posts, and its best-rated still image scores 206. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.

How each model draws merlin (fate)

Follows composition and expression instructions closely, so the effect shows in a tidy form.

V4.5

Reacts to the tag more strongly, so its effect is easier to see.

ILLUST

WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.

Writing merlin (fate) in a prompt

Put the subject first, then this tag, then quality tags.

Basicmerlin (fate), solo, best quality, masterpiece

With artistwlop, merlin (fate), solo

The negative prompt and the full settings are on the terms page.

How these samples were made

Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.

From the Danbooru wiki

Show the wiki text ▾

A minor character in Fate/stay night and a Caster-class Servant in Fate/Grand Order, first briefly appearing in the E Pluribus Unum Singularity before being featured in the Babylonia Singularity.

The wizard from Arthurian legend who helped King Arthur throughout life. An immortal half-incubus sealed within the Reverse Side of the World in the Garden of Avalon, who is usually unsummonable as a Heroic Spirit under normal circumstances. He was the original owner of Fou, who hates him.

For the female version from Fate/Prototype, see Merlin (Fate/Prototype).

Character Design: Taiki Voice Actor: Takahiro Sakurai

Appearance

: Fate/stay night[br](Garden of Avalon novel)
: First Ascension
: Second Ascension
: Third Ascension

Costumes

: Avalon Celebrate
: Camelot & Co
: Camelot & Co. Model Frames
: Celebratory Attire
: Commentator of Flowers
: Concept Dress
: Dream Portrait
: Fate/Dream Striker
!asset #27966779: Fate/Grand Order: Babylonia x Sweets Paradise
!asset #27968019: FGO x Lawson 2017
!asset #27967527: FGO Babylonia x Lawson 2020
: FGO Fes. 2019
: FGO Fes. 2024
!asset #48930662: FGO Fes. 2026
: FGO x Google Play
: FGO x Kyoto Rikyuen
: FGO Mart
: FGO x Takarazuken Kinen
: Hotel Chaldea
: Hotel Chaldea 2025
: Idol Maker[br](Fou cosplay)
: Matsuyuki Cocokara
: Our Round Table
: Overnight Dream
: Over the Same Sky
: Star of Camelot
: Traveling Outfit
: Under the Same Sky

FAQ

Does NovelAI recognize merlin (fate)?

Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from merlin (fate).

How do I write merlin (fate) in a prompt?

Write "merlin (fate)" near the front of the prompt and separate it from other tags with commas.

Should I use V5 or V4.5?

V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.