Well, I was battling a guy using a Slaking earlier today, and Truant apparently didn't activate during the battle for some reason. Maybe it's a glitch? Just wanted to clear things up since I'm not sure if this is known or not. Log is below.
Noobie12345 switched in Thanatos (lvl 100 Slaking ?).
Thanatos used Pursuit.
It's not very effective...
Hitmontop lost 19% of its health.
arcanus switched in Uxie (lvl 100 Uxie).
Thanatos is hurt by poison!
Thanatos lost 12% of its health.
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Thanatos used Pursuit.
It's super effective!
Uxie lost 42% of its health.
arcanus switched in Hitmontop (lvl 100 Hitmontop ?).
Hitmontop's Intimidate cut Thanatos's attack!
Thanatos is hurt by poison!
Thanatos lost 12% of its health.
Hitmontop's leftovers restored its health a little!
Hitmontop restored 6% of its health.
---
Thanatos used Pursuit.
It's not very effective...
A critical hit!
Hitmontop lost 20% of its health.
Hitmontop used Rapid Spin.
Thanatos lost 4% of its health.
Noobie12345's Thanatos fainted.
Hitmontop's leftovers restored its health a little!
Hitmontop restored 6% of its health.
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arcanus: what happened to truant?
Noobie12345: no idea.
Noobie12345: i was wondering too.