Courtesy of our friend Michael Chilly Winters here are some things that we now know about Gargantuans.
The Archangel has a P+S 19 Bite attack.
Her Bite attack has the special ability Consume (not critical).
She can make Ride By attacks.
The Woldwrath’s animus reads something like the following:
Druid’s Wrath- Friendly faction models gain boosted magic attack rolls when targeting enemy models within 10” of this model.
The Mammoth’s Gun is