Answer:3 days
Step-by-step explanation:
Achilles the greatest warrior of his time told Odysseus that he had given up fighting and that he would journey to his native land Phthia and he would arrive on the third day.
Achilles sacrificed life in Phthia for the honor in battle. Achilles is journeying back to Phthia because he missed the life of happiness, pleasure, prosperity and plenty he left behind in Phthia.