/summon Villager ~ ~1 ~ 
{
	Profession:1,
	CustomName:HiddenForSpoilers,
	CustomNameVisible:10,
	Career:20,
	CareerLevel:30,
	ActiveEffects:
	[
		{
			Id:11,
			Amplifier:4,
			Duration:1000000,
			Ambient:1,
			ShowParticles:0
		}
	],
	Offers:
	{
		Recipes:
		[
			{
				buy:
				{
					id:"minecraft:diamond",
					Count:1,
					Damage:0
				},
				buyB:
				{
					id:"minecraft:emerald",
					Count:1,
					Damage:0
				},
				sell:
				{
					id:"minecraft:potion",
					Count:1,
					Damage:8194,
					tag:
					{
						CustomPotionEffects:
						[
							{
								Id:1,
								Amplifier:2,
								Duration:2400
							}
						]
					}
				},
				maxUses:1000,
				uses:0
			},
			{
				buy:
				{
					id:"minecraft:diamond",
					Count:5,
					Damage:0
				},
				sell:
				{
					id:"minecraft:potion",
					Count:1,
					Damage:8196,
					tag:
					{
						CustomPotionEffects:
						[
							{
								Id:8,
								Amplifier:1,
								Duration:2400
							}
						]
					}
				},
				maxUses:1000,
				uses:0
			},
			
			{
				buy:
				{
					id:155,
					Count:0,
					Damage:1,
					tag:
					{
						display:
						{
							Name:"Sorry!"
						}
					}
				},
				sell:
				{
					id:155,
					Count:0,
					Damage:1,
					tag:
					{
						display:
						{
							Name:"No More Trades!"
						}
					}
				},
				maxUses:0,
				uses:0
			}
		]
	}
}