I noticed secreds are not used, and I thing bot cant know that card the secret is.

He didn't replace it in started hand and never use is from hand.
Miror Entity

I noticed too bot didn't know too good when to put to table minion whitch have bonus when on table was mech. Biggest problem was with the Goblin blastmage
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Bot didn't know how Alekstrasza work, he had 2 HP and Alekstrasza on hand, and he concede becous he was <5HP
Using Alekstrasza on enemy works fine.

Bot don't know how to exactly combo Whirlwind with Armorsmith or Pain acolyte

Concede when enemy had lethal doesn't work fine too.

Cruel taskmaster + Execute combo didn't work too good