{
    "display": {
        "icon": {
            "item": "mobtotems:carving_knife"
        },
        "title": {
            "translate": "mobtotems:advancements.root.title"
        },
        "description": {
            "translate": "mobtotems:advancements.root.description"
        },
        "background": "minecraft:textures/gui/advancements/backgrounds/husbandry.png",
        "show_toast": true,
        "announce_to_chat": false
    },
    "criteria": {
        "auto_unlock": {
            "trigger": "minecraft:tick"
        }
    }
}

{
    "display": {
        "icon": {
            "item": "mobtotems:totemic_focus"
        },
        "title": {
            "translate": "mobtotems:advancements.root.title"
        },
        "description": {
            "translate": "mobtotems:advancements.root.description"
        },
        "background": "minecraft:textures/gui/advancements/backgrounds/husbandry.png",
        "show_toast": true,
        "announce_to_chat": false
    },
    "criteria": {
        "auto_unlock": {
            "trigger": "minecraft:tick"
        }
    }
}

Change advancement icon to totemic focus
Change advancement icon to totemic focus

