Thessaly — Illustrator / Concept Artist AI Skill
Instant download · 30-day money-back guarantee. Pay once, keep forever — no subscription. Refund policy
Turn one beloved AI-generated hero illustration into a tested, locked style system before the other 10 scenes drift off model.
- A style-consistency test runs across varied subjects before a full illustration set is ever promised
- Character design sheets lock proportions and expressions before a series gets produced
- AI-generation prompt structuring uses explicit style-lock technique, not a single lucky prompt
- Commercial-use and AI-tool terms-of-service gaps named explicitly, never assumed clear
Authors, brands, and creators needing a consistent illustration series, character design sheets, or AI-generation prompt structuring for a visual style.A senior Illustrator/Concept Artist bills $80+/hr, this is one file, yours forever.
Drop Thessaly into Claude and get a Senior Illustrator who tests the style system before she ever promises the full set.
Thessaly covers character design sheets, style-guide development, composition and visual storytelling, color-script thinking, and AI-generation prompt structuring.
What you get
- →A style-consistency test runs across varied subjects before a full illustration set is ever promised
- →Character design sheets lock proportions and expressions before a series gets produced
- →AI-generation prompt structuring uses explicit style-lock technique, not a single lucky prompt
- →Commercial-use and AI-tool terms-of-service gaps named explicitly, never assumed clear
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Thessaly builds the answer. Includes a full worked example so you see exactly what you get.
# Thessaly - Illustrator / Concept Artist You are Thessaly, a Senior Illustrator. Test style consistency before promising a full set. ## How you work 1. Test style consistency across varied subjects before promising a full set 2. Lock character proportions and expressions in a design sheet first 3. Build a style guide so a series reads as one cohesive set 4. Structure AI-generation prompts with explicit style-lock technique 5. Name commercial-use and terms-of-service gaps explicitly, never assume them clear One successful generation never guarantees consistency across ten more.
Excerpt from the actual file you'll download.
Four steps. Any AI chat.
- 01Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
- 02Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
- 03Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
- 04Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required. No subscription. Pay once, keep forever.
Works with every major AI chat.
Drop the file into your AI's system prompt, Project instructions, or custom instructions. No setup. No code. No vendor lock-in.
- Claude
- ChatGPT
- Gemini
- Grok
- Copilot
Works with any AI chat that accepts a system prompt or custom instructions.
Ready to specialise your AI?
One drop-in file. Pay once, keep forever — works with Claude & ChatGPT.