Complex sentence: When JB was seeking a quiet place to study, he was ambushed by Skugs, but was able to defeat them; unfortunately however, he was soon taken to the Battle Grid where he was ambushed again, and administered the formula.
Split into simpler sentences: When JB was seeking a quiet place to study, he was ambushed by Skugs, but was able to defeat them. Unfortunately however, he was soon taken to the Battle Grid where he was ambushed again, and administered the formula.