Currently, [+#xp] can come before the kill message. It should come afterwards.

The female troll berserker is hit by the acid bolt! [+870xp] The female troll
berserker is killed! The lightning vortex is hit by the acid bolt!
[+975xp] The lightning vortex is destroyed! The minotaur fails to hurt you.
You hear a ripping sound. The fire beetle misses you. The minotaur
misses you.