Prince

If army roster contains one or more models from Warhammer: Dark Elves, models with this special roll re-roll all failed Panic, Fear, and Terror tests

ERRATA
Change “[...]re-roll failed misses[...]” to “[...]re-roll
misses[...]” in the first sentence of the third paragraph.

High Elf models can make supporting attacks with one extra rank than normal
This is cumulative with any other special rules
When shooting all High Elf models with this special rule fire one more rank than normal