A fortnight later, in the Reach, Ormund Hightower found himself caught between two armies. Thaddeus Rowan, Lord of Goldengrove, and Tom Flowers, Bastard of Bitterbridge, were bearing down on him from the northeast with a great host of mounted knights, whilst Ser Alan Beesbury, Lord Alan Tarly, and Lord Owen Costayne had joined their power to cut off his retreat to Oldtown. When their hosts closed around him on the banks of the river Honeywine, attacking front and rear at once, Lord Hightower saw his lines crumble. Defeat seemed imminent… until a shadow swept across the battlefield, and a terrible roar resounded overhead, slicing through the sound of steel on steel. A dragon had come.
The dragon was Tessarion, the Blue Queen, cobalt and copper. On her back rode the youngest of Queen Alicent's three sons, Daeron Targaryen, fifteen, Lord Ormund's squire.
The arrival of Prince Daeron and his dragon reversed the tide of battle. Now it was Lord Ormond's men attacking, screaming curses at their foes, whilst the queen's men fled. By day's end, Lord Rowan was retreating north with the remnants of his host, Tom Flowers lay dead and burned amongst the reeds, the two Alans had been taken captive, and Lord Costayne was dying slowly from a wound given him by Bold Jon Roxton's black blade, the Orphan-Maker. As wolves and ravens fed upon the bodies of the slain, Lord Hightower feasted Prince Daeron on aurochs and strongwine, and dubbed him a knight with the storied Valyrian longs word Vigilance, naming him "Ser Daeron the Daring." The prince modestly replied, "My lord is kind to say so, but the victory belongs to Tessarion."
On Dragonstone, an air of despondence and defeat hung over the black court when the disaster on the Honeywine became known to them. Lord Bar Emmon went so far as to suggest that mayhaps the time had come to bend their knees to Aegon II. The queen would have none of it, however. Only the gods truly know the hearts of men, and women are full as strange. Broken by the loss of one son, Rhaenyra Targaryen seemed to find new strength after the loss of a second. Jace's death hardened her, burning away her fears, leaving only her anger and her hatred. Still possessed of more dragons than her half brother, Her Grace now resolved to use them, no matter the cost. She would rain down fire and death upon Aegon and all those who supported him, she told the black council, and either tear him from the Iron Throne or die in the attempt.
A similar resolve had taken root across the bay in the breast of Aemond Targaryen, ruling in his brother's name whilst Aegon lay abed. Contemptuous of his half sister Rhaenyra, Aemond One-Eye saw a greater threat in his uncle, Prince Daemon, and the great host he had gathered at Harrenhal. Summoning his bannermen and council, the prince announced his intent to bring the battle to his uncle and chastise the rebellious river lords.
Not all the members of the green council favored the prince's bold stroke. Aemond had the support of Ser Criston Cole, the Hand, and that of Ser Tyland Lannister, but Grand Maester Orwyle urged him to send word to Storm's End and add the power of House Baratheon to his own before proceeding, and Ironrod, Lord Jasper Wylde, declared that he should summon Lord Hightower and Prince Daeron from the south, on the grounds that "two dragons are better than one." The Queen Dowager favored caution as well, urging her son to wait until his brother the king and his dragon Sunfyre the Golden were healed, so they might join the attack.
Prince Aemond had no taste for such delays, however. He had no need of his brothers or their dragons, he declared; Aegon was too badly hurt, Daeron too young. Aye, Caraxes was a fearsome beast, savage and cunning and battle-tested… but Vhagar was older, fiercer, and twice as large. Septon Eustace tells us that the Kinslayer was determined that this should be his victory; he had no wish to share the glory with his brothers, nor any other man.
Nor could he be gainsaid, for until Aegon II rose from his bed to take up his sword again, the regency and rule were Aemond's. True to his resolve, the prince rode forth from the Gate of the Gods within a fortnight, at the head of a host four thousand strong.
Daemon Targaryen was too old and seasoned a battler to sit idly by and let himself be penned up inside walls, even walls as massive as Harrenhal's. The prince still had friends in King's Landing, and word of his nephew's plans had reached him even before Aemond had set out. When told that Aemond and Ser Criston Cole had left King's Landing, it is said that Prince Daemon laughed and said, "Past time," for he had long anticipated this moment. A murder of ravens took flight from the twisted towers of Harrenhal.
Elsewhere in the realm, Lord Walys Mooton led a hundred knights out of Maidenpool to join with the half-wild Crabbs and Brunes of Crackclaw Point and the Celtigars of Claw Isle. Through piney woods and mist-shrouded hills they hastened, to Rook's Rest, where their sudden appearance took the garrison by surprise. After retaking the castle, Lord Mooton led his bravest men to the field of ashes west of the castle, to put an end to the dragon Sunfyre.