which one and if you repost the message with a clearer one then i will reply sorry but im to lazy to list it all.
arbiters grounds?
deffet the monkey mini boss
You finish off the forest temple mini boss
You get it in the sky temple when you beat the mini boss.
battle the mini boss at city in the skys
The ball & chain? You have to beat the mini-boss in the mountain mansion place.
You have to beat the mini-boss in the first temple, which is Ook, a white monkey
You get in the goron mines{the second temple in the legend of zelda twilight princess}after defeating the mini boss.
8 in all, including the four you have to find before the mini-boss
Link does! The Rod of the Heavens is the Dominion Rod, which you get from the mini boss in the Temple of Time.
There is no "super clawshot" but there is a double clawshot which you can get after you defeat the mini-boss in the city in the sky. Hope this helps!
You have to find it in the temple of time, which is hidden in the sacred forest. if memory serves, you will find it after you defeat the mini boss.
You need to be more specific about what mini-boss and what Zelda game. However, there is a mini-boss within each dungeon, providing a useful item after defeat. I would recommend using walkthroughs for more details.