Explorer is a tier 2 Resolve mastery with 1 rank. 
| Utility Mastery Tree|
|Other Mastery Trees:|
|Offense • Defense|
Explorer was a tier 4 Utility mastery with 1 rank.
Effect per Rank
- On Summoner's Rift: You start the game with an , which places an invisible ward that lasts 60 seconds.
- On other maps: You start the game with an additional 25.
- Requires 12 points in Utility.
- Requires 1 point in Biscuiteer.
- Combined with Wealth, it is possible to start a game of Twisted Treeline, Murder Bridge, and Dominion with bonus 75.