Transmutation
| Level: | Warlock 3 |
| Prerequisite: | Eldritch Blade |
| Casting Time: | 1 swift action |
| Range: | Personal |
| Target: | Self |
| Duration: | 1 round |
After casting this invocation, you gain the benefit of the Whirlwind Attack feat until the end of your turn but only while attacking with your eldritch blade. If you do not use this ability before the end of your turn, this invocation has no effect.