Greater Mark of Storm

Greater Mark of Storm
Feat
Prerequisite: Level 4

You gain the following benefits.
Improved Intuition.
When you use the Windwright's Intuition benefit of your Mark of Storm feat, you can roll 1d6 instead of 1d4.
Improved Storm.
When you use the Storm Magic benefit of your Mark of Storm feat to cast Gust of Wind without a spell slot, you also gain a Fly Speed of 60 feet for the duration of the spell.

Source: Eberron: Forge of the Artificer (EFA), page 45