All fears are fear of death, because all is individual perception and the egoic mind doesn't want to be destroyed, which happens in all negative emotions, that's a fear to lose a part of one's mind (a fake created identity), hence fear of death and destruction. (Be it in any sort of relationships with others, or in attachment to any material and immaterial things [i think immaterial things are the same as relationships to others if lightning and air can be seen as "material"])

(I wrote that without having read the end of the chapter yet and it happenned that it was totally insightful, so i noted the ending in the following entry : "transforming suffering into peace", purrrrrr i enjoy that  growing and swirling knowledge very much eh eh)