Warning: The following contains SPOILERS for The Flash season 8.
A critical meta commentary in The Flash season 8 affirmed just how pointless the death of Eddie Thawne ultimately was. Introduced into the series as a Detective with the CCPD, Eddie Thawne (Rick Cosnett) was also an ancestor of the Reverse-Flash, Eobard Thawne (Matt Letscher). Eddie took his own life in The Flash season 1 finale in an effort to end the menace of the Reverse-Flash once and for all. Sadly, this effort proved completely ineffectual, and the character was largely forgotten until The Flash season 8 brought him back for a number of guest appearances.
The second major story arc of The Flash season 8 found the heroes of Central City besieged by multiple threats. Most of the team was focused on tracking down a metahuman killer using cold fusion fires to burn his victims to death, who was ultimately identified as the entropy avatar Deathstorm. At the same time, Iris-West Allen (Candice Patton) was trying to maintain her grip on reality, as she coped with the side effects of a time sickness that risked drawing her into the Still Force and causing her and other objects and people to become unstuck in time and space.
Related: The Flash Season 8 Finally Fixes Its Biggest Villain Problem
It was not immediately clear what was responsible for Eddie Thawne's apparent resurrection in the opening scene of The Flash season 8 episode «Death Falls,» when Eddie suddenly appeared in the apartment Iris shared with Barry Allen (Grant Gustin). While Iris originally thought she might have pulled her former fiancée across time by accident, he was ultimately revealed to be an illusion created by Deathstorm so that he could feed upon Iris' grief. To further play upon her
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