Io's ultimate provides her invulnerability for a prolonged amount of time if you are trapped with a Terminus resurrecting using the ult to invuln through it, similar to Androxus' Reversal you can use your ult to wisk Term away before he can react.
When playing against a strix as sha lijn strix will be a better long range duelant. Try to hide behind rocks a peak out on different spots For Some free damage.
Using the bubble talent with DR and some life rip can make you tougher to kill , if a flank is next to you he is going to fight you w damage of the bubble , your selfsustain and DR (15% minimum)
Nullify makes BK completely useless. For talents if you know the how good the enemy BK is (from previous matches), BK is the only dmg or your other talents would be useless in the match pick the Direct Current talent to make it harder for BK.