These are the second four of a 12-card subset, with the first four box toppers being distributed in Expedition booster boxes (the first e-Card series) and the last four in the Skyridge boxes (the third e-Card series)
Hone counters attach to equipment
Another detail is that it applies whenever any of your characters quests on that turn - so if you have a line of characters ready to be exerted on a quest, you can quickly drain away your opponents lore reserves, taking them even further from victory as you advance
You don't have to discard this Energy to make the attack, unless it says so
This would probably be either "gain control of whatever until end of turn" or add or somewhere, depending on King Fjorn's ruthlessness, intelligence, or sailing skill
My friend picked Eisenhorn because he wanted to make a lot of Clues, and possibly a lot of Cherubaels