The 5.1.0 Title update for Idle Slayer has 49 achievements.
Have 100 Qd Coins.
Have 100 St Coins.
Have 10 Od Coins.
Have 10 Sd Coins.
Have 1 Nd Coins.
Lose 5 times at the Slayers' Lounge.
Spend 100 Slayer Chips.
Get 45 entries in the Bestiary.
Get an Enemy to Mastery Level 1 in your Bestiary.
Get an Enemy to Mastery Level 2 in your Bestiary.
Get an Enemy to Mastery Level 3 in your Bestiary.
Get an Enemy to Mastery Level 4 in your Bestiary.
Equip 2 Excellent Armory Items.
Equip 3 Excellent Armory Items.
Get 1 St Coins per Second.
Get 3 entries in the Bestiary.
Get 55 entries in the Bestiary.
Defeat ???.
Defeat .
Get 10 entries in the Bestiary.
Win 50 times at the Slayers' Lounge.
Have 50 unspent Silver Random Boxes.
Have 100 unspent Silver Random Boxes.
Get 30 entries in the Bestiary.
Get 20 entries in the Bestiary.
Win 5 times at the Slayers' Lounge.
Have 25 unspent Silver Random Boxes.
Equip 1 Excellent Armory Items.
Win 100 times at the Slayers' Lounge.
Get 100 St Coins per Second.
Get the maximum possible multiplier of Coimbo Mode.
Get 35 entries in the Bestiary.
Craft and open the Bestiary.
Get 25 entries in the Bestiary.
Get 50 entries in the Bestiary.
Get 15 entries in the Bestiary.
Win 250 times at the Slayers' Lounge.
Lose 50 times at the Slayers' Lounge.
Spend 250 Slayer Chips.
Lose 250 times at the Slayers' Lounge.
Equip 4 Excellent Armory Items.
Spend 500 Slayer Chips.
Spend 1,000 Slayer Chips.
Equip 2 Key Armory Items.
Get 40 entries in the Bestiary.
Equip 3 Key Armory Items.
Lose 100 times at the Slayers' Lounge.
Visit Idle Slayer's X.
Visit for the first time.