The monsters couldn't penetrate the ranked Undead.
The dunlords were particularly resistant to the tri-dog attacks, but the less sturdy Undead were taking some damage.
"SWAP!" Dave gave the command and the undead at the front ranks switched place with the ones behind them in a smooth choreographed movement. This gave the Damaged Undead a chance to recover and the front rank were now fresh and ready to rumble.
"Heal the wounded!"
The casters shot hexes and curses on their brethren, healing them.
The corrupted paladins dispensed buffs and regeneration magic to the dunlords, who slowly recouped their HP.
Dave's EXP bar was increasing visibly, points added to it with every kill. Even though the EXP was split among the regiment, the hundreds of kills per minute was bringing in a steady flow of EXP.
