Can echo warden affect bosses with it's buffs?

Question

Let's say there's an echo warden and all of sudden a boss spawn, be it Shlorg or Tyrn or anything else.

Will the boss get the same buffs as the echo warden i.e damage reflection and boost?

Answer 1

A Reddit user posted this image:

As you can see, the boss Clavius ​​was affected by Raubritter Chestener's Warden.

Source: https://www.reddit.com/r/TibiaMMO/comments/1vzpb5i/comment/p67qm7v/