While held, boosts luck by 3% * child count.

16% to be a dud.

Vexxer

84%

Hatches in 1 minute.
Takes twice as long to hatch when anyone is nearby.

Splits open on impact, having an 80% to release a plume of toxins that lasts for 30 seconds, has a radius equal to both of its parents' vision / 10, and

Poisons

anything caught in it.