Focus on shielder block/health and thrower range. Keep a shielder next to her to distract while throwers chip away. Thrower range and damage.
Pure stat check. Farm EXP until your units can withstand her attacks. Distribute spawns in corners to split her focus. High level units (Level 30+ recommended). Heroine.conquest.rar
For tougher bosses like the Boxer, use "vine" units to stun them continuously. Time your placements (about every 1 second) to keep them locked near your high-damage AOE units. Focus on shielder block/health and thrower range