Here is the full list of all 11 Lootbox RPG achievements.
And you are still alive!
You just killed your first Vampire.
You killed the Gravelord.
Long live the Ratking!
You killed the brainbug.
You put an end to Lord Cranbourgh.
You went into zombie mode for the first time.
You have solid protection.
Time for dinner.
You claimed the throne. Not for long it seems.
You enchanted your pet to do the trading.