In view of their past experiences it might have been expected that such a request would be scornfully declined; but after long and anxious debate it was decided—mainly, it is said, on the advice of the Ngati-Apa chiefs—that the leading Rangitane warriors should meet the Ngati-Toa leader and make the best terms possible with him. The result was, of course, the old story: the ruthless slaughter of the confiding ambassadors, who found that Te Rauparaha had come, not with peace, but unrelenting war. Treachery was no more suspected inside the pa than out of it; and while the people were deluded into the belief that the war-clouds had passed away, they were being secretly and silently surrounded. At a given signal the walls were stormed and a bloody massacre followed, from which the Ngati-Toa warriors emerged sated with gruesome triumph. The slain were eaten on the spot, and the prisoners were taken to Waikanae, there to await the returning appetite of their captors.
So dastardly an attack upon their friends and so gross an insult to their tribal pride could not be ignored; and although time might elapse before the Ngati-Apa peoples would be able to strike an avenging blow, it was quite certain that so soon as the favourable moment arrived the Ngati-Toa would have to pay the penalty of their treachery. But Te Rauparaha never dreamed that they would have the temerity to attack him upon his own land, and while he was lying in fancied security at Waikanae, the storm suddenly burst upon him. The Ngati-Apa, under Te Hakeke, had hurriedly collected their war party, and obtaining reinforcements from the fugitives who had escaped from the massacre at Hotuiti, came by stealthy marches down the coast and fell upon the unsuspecting Ngati-Toa in the dead of night. Next morning the camp was in ruins, Te Rauparaha's force was in flight, and sixty of his followers, including four of Te Pehi's daughters, were lying dead amongst the débris. The balance of battle honours having been thus somewhat adjusted, the aggressors retired, well satisfied with the result. They were allowed to depart without a resumption of hostilities, for the supports who had come over from Kapiti were either not strong enough, or not keen enough, to pursue them.[61]
Whatever may have been Te Rauparaha's previous disposition towards Ngati-Apa, whether he was genuinely disposed to befriend them or whether he was merely playing on their credulity, is of no further importance, for from that day he took on an attitude of undisguised hostility towards them, revoking all promises of peace, stated or implied, and becoming, in the characteristic language of Matene-te-Whiwhi, "dark in his heart in regard to Ngati-Apa." The shield of friendship having been removed, this unfortunate tribe was now exposed to all the fury of the most ruthless man in New Zealand; and in the raids which his warriors made against them, neither man nor woman was spared who was unfortunate enough to fall into his hands. These misfortunes created a bond of sympathy between Ngati-Apa and their neighbours, the Rangitane and Muaupoko, and paved the way for an alliance against the common enemy. Although banished from Horowhenua and wandering about the solitary places of the coast, a broken and shattered people, there was still sufficient energy and hatred remaining in one of the Muaupoko chiefs to make a final effort to recover their departed mana.
Te Raki, who had suffered captivity at the hands of Te Pehi, aspiring, after his escape, to be the regenerator of his tribe, became the active apostle of a federation which was to embrace the tribes who had felt the weight of the Ngati-Toa hand. From Waitotara in the north to Arapawa and Massacre Bay in the south, and Wairarapa in the east, he organised an alliance which could hurl two thousand fighting men against their redoubtable adversary. Canoes from far and near brought this host to the appointed rendezvous, the northerners assembling at Otaki and the southerners at Waikanae. From these two points this army converged upon Kapiti, their canoes "darkening the sea" as they went. The magnitude of the armada, however, was greater than its discipline, and before it had proceeded far its movements were discovered. The noise of the paddles, as the canoes approached the island in the early morning, caught the keen ear of Nopera, and when the right wing landed at Rangatira Point, they were opposed by the people whom they had expected to surprise. The attack was fierce and desperate, and when Pokaitara, the Ngati-Toa commander, found himself being driven back towards Waiorua, he astutely proposed a truce. It would give him a welcome respite while it lasted, and perhaps some advantage in the first moment of its violation. Ignorant of the fact that a message had been sent to Te Rauparaha, who happened to be at the centre of the island, and hoping for the speedy arrival of his own laggard reinforcements, who were still at sea, Rangi-maire-hau, the Ngati-Apa chief from Turakina, in a weak moment, agreed to a suspension of hostilities. Scarcely had this been arranged, when Te Rauparaha, with the major part of his people, arrived upon the scene, and repudiating the agreement to which his lieutenant had committed himself, he recommenced the sanguinary work, and fought to such purpose that the issue was soon placed beyond doubt. With one hundred and seventy of their tribesmen slain, the Ngati-Apa attack began to slacken. Presently their ranks were seen to waver, and an impetuous charge at this decisive moment drove into rout what had hitherto been an impenetrable front. The slaughter of pursuit was scarcely less than that of resistance. Dead and dying lay on every side, and many found a watery grave in their vain effort to swim to the canoes, which had not yet reached the shore.
News that disaster had overtaken the advance guard quickly spread to the other sections of the allied forces; and, without attempting to retrieve the fortunes of the day, they turned and precipitately fled in whichever direction safety seemed to lie. When he realised that his host had been worsted in the battle, Rangi-maire-hau disdained to fly, but threw himself upon the mercy of Te Rangihaeata, who had borne himself with conspicuous bravery throughout the attack. That haughty chief, however, saw no reason why he should spread his protecting mantle over his would-be exterminator, even though the appeal was founded on the bond of relationship with his Ngati-Apa wife; and, steeling his heart against every entreaty, he ordered Rangi-maire-hau's immediate death. With this exception, it is recorded to the credit of Ngati-Toa that they used their victory with unusual moderation. Thus, the largest force which had ever been marshalled during the Maori wars along this coast was defeated by one of the smallest; the organisation of two years was dissipated in as many hours; and the invaders were only the more firmly established in the land by this futile attempt to uproot them. This great victory, which settled for ever the question of supremacy, was duly celebrated by feasting and dancing, during which Te Rauparaha chanted a song of triumph, which was especially offensive to his enemies, taunting them, as it did, with a lack of courage, and foretelling even greater misfortunes that were yet to befall them:—
"When will your anger dare? When will your power arise? Salute your child with your nose. But how salute him now? You will see the rejoicing tide Of the warrior's coming glee, And the departure of Rongo-ma-whiti."
While Te Rauparaha was enjoying the fruits of his victory, his forces received welcome reinforcements from two quarters. The news of battles fought and laurels won had reached Taranaki, where the Ngati-Tama chief, Te Puoho, and some of his followers, whose curiosity had been aroused by the tales told by their returned tribesmen, came down to learn the truth of the matter for themselves. Close upon their heels came the long-hoped-for band of Ngati-Raukawa, who signalised their advent by at once attacking the settlements in the Rangitikei and Manawatu districts. While one party skirted the coast,[62] the other struck inland, and under their chiefs, Te Whatu and Te Whetu, surrounded and captured a Ngati-Apa pa at Rangiure, and then proceeded to Pikitane, where they killed a number of the resident people and made the rest prisoners. These two settlements had been taken completely by surprise, their people little dreaming that a war party was marching through the land. No better prepared were the Ngati-Apa then living at Awahuri, who were next attacked, and their chief, named Te Aonui, was added to the train of captives. The invaders then pushed their victorious march down the course of the Oroua River, as far as its junction with the Manawatu. Here they crossed the larger stream, and immediately attacked the pa at Te Whakatipua. This assault was stoutly resisted by the chiefs, Kaihinu and Piropiro, who paid the penalty with their lives, but the remainder of the people who were not shot by the invaders were spared on proffering a humble submission. This was practically the only discreet course open to them. Not only were they placed at a serious disadvantage, away from their fighting pas, but many of the Ngati-Raukawa were armed with guns, while the Rangitane people had not as yet been able to discard the wooden spears and stone clubs of their forefathers.
The rapid movements of the Ngati-Raukawa, and the completeness of their captures, had prevented the news of their presence being despatched to the adjoining settlements; and, as a consequence, when they ascended the Manawatu and came upon the little pa at Rotoatane, situated not far from Tiakitahuna,[63] they were able to attack and capture it almost before the people could be summoned from the fields. Not that it was a bloodless victory. A Rangitane chief, named Tina, fought with desperation, and, before he was overpowered by superior numbers, three of the assailants were stretched dead at his feet. Once more the advance was sounded, the objective this time being the pa at Tiakitahuna itself. This settlement was under the chieftainship of Toringa and Tamati Panau, the latter being the father of the chief Kerei te Panau,[64] who until recently lived at Awapuni. These men were evidently more alert than their neighbours, for no sooner did the taua come in sight than they took to their canoes and paddled across to the opposite bank of the river. While the two tribes were thus ranged on opposite sides of the stream, the Rangitane had time to consider the position. Tamati Panau was the first to seek an explanation, by calling out to Te Whatu, "Where is the war party from?" Clear and quick came the answer back, "From the north." That was sufficient for Toringa, who had already tested the mettle of the northerners, and he at once sent a curse across the water, hurled at the heads of the invaders with all the venom that tribal hatred and a sense of injured vanity could instil. Whether it was the dread of Toringa's denunciation, or whether the Ngati-Raukawa were satisfied with their unbroken course of victory, is not clear to the present-day historian; but the Rangitane traditions relate that, after firing a single shot from one of their muskets, the invaders retired from the district, taking their prisoners with them, and made their way south to join Te Rauparaha, who was anxiously awaiting their coming.
The prospect opened up to these new-comers was far beyond anything that they had dreamed. In fact, so fascinated was Te Ahu-karamu with the new and beautiful country which his great kinsman had conquered that, after a reasonable rest, he returned to Taupo for the purpose of bringing the whole of his people away from a position which was daily becoming more exposed to the aggression of the Waikato tribes. But his designs in this direction were nearly thwarted by the persistency with which the tribe clung to their northern home, even in defiance of his threat to invoke the wrath of his atua[65] if they dared to question the command of their chief. Finding that the terrors of his god had no influence upon them, Karamu adopted an instrument of the devil, and, taking a torch in his hand, brought his obdurate tribesmen to their senses by burning every house in the pa to the ground. Rendered thus houseless and homeless, there was nothing for the dejected people to do but to follow their imperious leader. In his journey back to Kapiti he was joined by two of the most famous chiefs of that day—Te Whatanui and Te Heuheu, the former of whom was destined to become the patriarch of Horowhenua and the protector of its persecuted people. Collecting a strong retinue of followers, the three chiefs set off in 1825 by the same route which Karamu had previously travelled down the valley of the Rangitikei, varying the monotony of the journey[66] through the Ngati-Apa country by occasionally chasing frightened fugitives, in order to gratify their pride and glut their appetite.
Upon their arrival at Kapiti long and anxious consultations followed between the chiefs, the result of which was that Te Whatanui at last consented to migrate[67] and throw in his fortunes with Te Rauparaha. This was eventually accomplished in 1828-29, the consolidation of the Ngati-Toa and Ngati-Raukawa tribes making their future absolutely secure and bringing Te Rauparaha's wildest dreams of conquest within measurable distance of accomplishment. His broadened aspirations had long before this extended across the Strait; and, next to the conquest of the coast on which he was now operating, it had become his greatest ambition to measure his strength against the natives of the Middle Island. Their reputed wealth in greenstone had aroused his avarice, while the prospect of acquiring additional territory appealed strongly to his love of power.