Ralph became disillusioned because his plans kept falling apart due to the boys' lack of cooperation and increasing savagery. They became more interested in following Jack's tyrannical leadership and hunting rather than focusing on building shelters and maintaining the signal fire. This shift in priorities led to the breakdown of order and Ralph's loss of control over the group.
Samneric continue to show loyalty to Ralph by warning him about the plans of Jack and his tribe, providing him with information about what is happening on the island, and ultimately helping him when he is in need. Their loyalty to Ralph is tested, but they remain committed to him throughout their ordeal.
ralph never knew that he was going to get killed
No. But director Rich Moore has plans for Mario to appear in it, so there possibly will be a Wreck-it Ralph 2.
Ralph learns of Jack's plans for him through Samneric, who are forced to join Jack's tribe and spy on Ralph's group. Samneric bring Ralph news of Jack's intentions to hunt him down and kill him. This betrayal shows Ralph the extent of Jack's animosity towards him.
Ralph learns of Jack's plans for him in Chapter 12 when he overhears Samneric's conversation about Jack's intention to hunt him like a pig. This revelation prompts Ralph to flee for his life through the jungle while being hunted by Jack and his tribe.
They warn Ralph that Jack plans to hunt him the next day and that Roger has "sharpened a stick at both ends."
Ralph learns from Samneric that Jack plans to have his tribe hunt him the next day and that Roger has sharpened a stick at both ends.
Only one so far, but I think I read somewhere that they're making a sequel.
Sam and Eric betray Ralph by joining Jack's tribe and refuse to help him. They warn Ralph that Jack's tribe plans to hunt him, demonstrating their loyalty to the new tribe. Sam and Eric become caught in the middle of the power struggle between Ralph and Jack.
Shortly after Edward left Dauntless, he joined the factionless and became disillusioned with the faction system. He eventually ended up working with the factionless leader, Evelyn, and took part in her plans to overthrow the faction system.
Samneric tell Ralph that Jack intends to hunt him and that he has "sharpened a stick at both ends." Later Ralph finds and takes the stick on which Jack had mounted the pig's head, as an offering to the beast. Ralph realises that the stick has a point at each end. The implication is that Jack intended to behead Ralph and mount his head on a sharpened stick, as an offering to the beast.
Ralph Nigel Hyde has written: 'Mapping London's landlords' 'Belated work of a fading genius' 'Seven manuscript Thames charts by Greenville Collins' 'John Ogilby's eleventh hour' 'Reform bill plans'