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
- Start a game on Summoner's Rift with an , which places an invisible ward that lasts 60 seconds (replaced by 25 bonus gold on other maps)
- Requires 12 points in Utility.
- Requires 1 point in Biscuiteer.
- Combining Explorer with Wealth allows starting a game on Twisted Treeline / Murder Bridge / Dominion with 75 bonus gold.