| Spell Description | |
| Caster Level(s) | Bard 2, Wizard/Sorcerer 2 |
| Innate Level | 2 |
| School | Illusion |
| Descriptor(s) | Visual |
| Component(s) | Verbal, Somatic |
| Range | Touch |
| Area of Effect / Target | Single |
| Duration | 1 Turn / Level |
| Save | Harmless |
| Spell Resistance | No |
| Additional Counterspells | See Invisibility |
| Dispel | Yes |
| Description | The target creature becomes invisible and impossible to detect using normal vision. Any attack or spellcasting action taken by the invisible creature will immediately cancel the invisibility. |
| Spell Scripts | |
| Main | nw_s0_invisib |
| Changes/Updates for Thain | |
| Script Change | Custom GetCasterLevel function |
| Before | Get the level of the casterclass used or item property |
| After | Get the level of the casterclass used or item property, pluss any modifiers (Palemaster++) |
| Script Change | Changed result when under effect of Invisibility Purge |
| Before | Could cast Improved Inivsibility on someone with Purge effect |
| After | Improved Invisibility will fail on someone with Purge effect |
| Script Change | Changed result when under effect of Invisibility Sphere |
| Before | Could cast Improved Invisibility on someone in a Invisibility Sphere |
| After | Improved Invisibility will fail on someone in a Invisibility Sphere |