The rarity on the Holy Sabers is coming through as 252. Here's is the doc for that weapon:
{
"id":291,
"slug":"holy-sabers",
"name":"Holy Sabers",
"type":"dual-blades",
"rarity":252,
"attributes":{
"attack":252,
"slotsRank3":1,
"elementDamage":120,
"elementType":"Water",
"sharpnessRed":15,
"sharpnessOrange":12,
"sharpnessYellow":15,
"sharpnessGreen":30,
"sharpnessBlue":15
},
"crafting":{
"craftable":false,
"previous":290,
"branches":[
],
"craftingMaterials":[
],
"upgradeMaterials":[
{
"quantity":6,
"item":{
"id":123,
"name":"Dragonvein Crystal",
"description":"Mined from high rank areas. Many expect this newly-discovered crystal to usher in a new era of metalwork.",
"rarity":0,
"sellPrice":0,
"buyPrice":0,
"carryLimit":0
}
},
{
"quantity":3,
"item":{
"id":483,
"name":"High Commendation",
"description":"A ticket awarded for demonstrating tremendous courage. Collect them and something wonderful may happen!",
"rarity":0,
"sellPrice":0,
"buyPrice":0,
"carryLimit":0
}
},
{
"quantity":2,
"item":{
"id":125,
"name":"Novacrystal",
"description":"High quality Lightcrystal. Highly coveted for its rarity, it's used for only the finest of metalworking.",
"rarity":0,
"sellPrice":0,
"buyPrice":0,
"carryLimit":0
}
},
{
"quantity":2,
"item":{
"id":173,
"name":"Wyvern Gem",
"description":"Throughout a wyvern's life, impurities gather and form this peculiar gem.",
"rarity":0,
"sellPrice":0,
"buyPrice":0,
"carryLimit":0
}
}
]
}
}