Greater Mark of Finding
Source: Eberron: Forge of the Artificer p. 43
Prerequisite: 4th
You gain the following benefits.
Ability Score Increase. Increase one ability score of your choice by 1, to a maximum of 20.
Improved Intuition. When you use the Hunter’s Intuition benefit of your Mark of Finding feat, you can roll dice:1d6|noform|noparens|avg (1d6) instead of dice:1d4|noform|noparens|avg (1d4).
Improved Finding. When you use the Finder’s Magic benefit of your Mark of Finding to cast Hunter’s Mark without a spell slot, the range of the spell is doubled, and you can modify the spell so that the target can’t benefit from the Invisible condition for the duration.