Clear the wave and move with the roamer; standing under the turret after clearing gives away both rivers.
Save the main control or damage tool for the priority target, not the first tank that appears on screen.
Late in the game, reposition after every cast. A stationary mage is the easiest entry point for the enemy assassin.
Reference combo: S2 → S1 → AA. Practise the order, but do not force it while the target still has an escape.
