How do I get rid of that pesky spider droid

Hint 1 of 5:

You have a choice of two methods.

Hint 2 of 5:

Try throwing a Mega-Death rock concert for the spider.

Hint 3 of 5:

Drop the rock on the bridge onto the spider droid. Timing, timing, timing.

Hint 4 of 5:

Or perhaps you've already met someone you could introduce to the droid.

Hint 5 of 5:

Orat and the droid might get a bang out of each other.