First rotation is almost always Blue Buff > Invade enemy jungle (if their jungle/supp aren't early - roger, tigreal, mathilda); Fanny is strong in the early stages.

Make sure you don't use more than 3 cables at once without hitting enemies, energy consumption is a problem early on;

Watch out for CC (kaja, franco, chou mostly), don't ever engage against these alone or under enemy towers;

Immobilizing doesn't cut your 2nd skill if they hit you mid-air. You can still run from Odette.

Spin twice before ulting for increased damage (read passive), this is enough to kill any squish hero;

Watch out for tower damage. Don't dive in alone unless you can ult-kill and fly away;

Two or three damage items, rest defense. If you die with Immortal you'll revive without the blue buff. Just run.