Based on the Delayed Effect you've provided, I've found it differently on RRG 1.6 page 15
DELAYED EFFECT
Some abilities contain delayed effects. Such abilities specify a future timing point, or indicate a future condition that may arise, and dictate an effect that is to happen at that time.
• • Delayed effects resolve automatically and immediately after their specified timing point or future condition occurs or becomes true, and before responses to that point or condition may be used. Delayed effects have the same timing priority as constant effects.
• • When a delayed effect resolves, it is not treated as a new triggered ability, even if the delayed effect was originally created by a triggered ability
It clearly states that "Before responses to that point or condition maybe used" and "26016" is a Hero Response.
Hope this clarifies my point.
Thanks for your awesome update and the game!