Optical Illusion
- Cost to learn
- 2 gemstones · 2 crystals · 2 mercury
- Upgrade cost
- 25 · 25 · 25
Level 1
Mana: 8Target friendly creature takes –25% Ranged Damage. Duration: [ 1 + 1 per every 4 hero’s Spell Power ] round(s).
- Target Friendly creature
- Area Single target
- Duration 1 round(s)
Level 2
Mana: 8Target friendly creature takes –50% Ranged and Long Reach Damage. Duration: [ 1 + 1 per every 4 hero’s Spell Power ] round(s).
Damage: –25% > –50%.
- Target Friendly creature
- Area Single target
- Duration 1 round(s)
Level 3
Mana: 8Target friendly creature takes –50% Ranged and Long Reach Damage. Duration: [ 1 + 1 per every 4 hero’s Spell Power ] round(s).
Also applies to Long Reach Damage.
- Target Friendly creature
- Area Single target
- Duration 1 round(s)
Level 4
Mana: 8All friendly creatures take –50% Ranged and Long Reach Damage. Duration: [ 1 + 1 per every 4 hero’s Spell Power ] round(s).
Affects all friendly creatures.
- Target Friendly creature
- Area Single target
- Duration 1 round(s)
How to learn it
Spells of the Arcane Magic school are unlocked by the Arcane Magic skill: without it a hero cannot buy them in the mage guild, and every further mastery step strengthens the whole school at once.
- Basic Arcane Magic — The hero can learn tier‑5 Arcane spells.
- Advanced Arcane Magic — The hero can learn tier‑5 Arcane spells. Arcane spells gain +1 level(s).
- Expert Arcane Magic — The hero can learn tier‑5 Arcane spells, and can learn Arcane spells unlocked in the Observatory, without visiting a Mage Guild. Arcane spells gain +1 level(s).
Sub-skills that strengthen the school: Arcane Time, All Life is Endless, Purest Thought, Arcane Teachings, Mana Flex, Scholar Synergy: Doreath
Every spell of the Arcane Magic school
| Spell | Tier | Mana | Type |
|---|---|---|---|
| Early Start | 1 | 6 | Battle spell |
| Energize | 1 | 11 | Battle spell |
| Guillotine | 1 | 7 | Battle spell |
| Optical Illusion (this page) | 1 | 8 | Battle spell |
| Blink | 2 | 10 | Battle spell |
| Carapace | 2 | 14 | Battle spell |
| Energy Explosion | 2 | 8 | Battle spell |
| Reinforcements | 2 | 18 | Adventure-map spell |
| Assemble! | 3 | 12 | Adventure-map spell |
| Impending Fate | 3 | 13 | Battle spell |
| Shackles | 3 | 9 | Battle spell |
| Temporal Spheres | 3 | 9 | Battle spell |
| Mirror Copy | 4 | 24 | Battle spell |
| Rewind Life | 4 | 17 | Battle spell |
| Spatial Snare | 4 | 10 | Battle spell |
| Black Hole | 5 | 30 | Battle spell |
| Doreath’s Tide | 5 | 23 | Battle spell |
| Reality Distortion | 5 | 21 | Battle spell |