How does DRR work?

Each time you cast your fishing rod there is a chance to consume durability on your gear (rod, chair, float).

There are three separate parts that can affect this chance.

1. Brand Stone (https://bdolytics.com/en/NA/db/item/8930)
2. Item DRR
3. Life Skill DRR

These three factors are multiplied together to form one final chance to consume durability.

Brand Stone

An Item Brand Stone (https://bdolytics.com/en/NA/db/item/8930) will reduce your chance to consume durability on the branded item by 50%.

Item DRR

The current maximum obtainable Item DRR is 91%.

Item: Pets (4x T4, 1x T5)
Durability Reduction Resistance (DRR): 21.00%

Item: 8-Piece Outfit Set Effect
Durability Reduction Resistance (DRR): 10.00%

Item: Mainhand Weapon Outfit
Durability Reduction Resistance (DRR): 10.00%

Item: Awakening Weapon Outfit
Durability Reduction Resistance (DRR): 10.00%

Item: Blacksmith’s Blessing (https://bdolytics.com/en/NA/db/lightstoneset/30)
Durability Reduction Resistance (DRR): 30.00%

Item: Lil’ Otter Fishing Carrier 🦦 (https://bdolytics.com/en/NA/db/item/830150)
Durability Reduction Resistance (DRR): 10.00%

Pets

When getting pets for a DRR setup, you need to look out for their Talent.

- Applied Talents panel showing Durability Reduction Resistance +21%
- Pet List showing Durability Reduction Resistance talents on one Tier 5 and four Tier 4 pets

There are a few pets which can have this DRR talent combined with the Special: Auto-Fishing Time Reduction.

Tier 5 Shangu pet showing Special: Auto-Fishing Time Reduction

Young Azure Dragon pet Young Azure Dragon (https://bdolytics.com/en/NA/db/pearl-offer/104598)

Newborn Crimson Dragon pet Newborn Crimson Dragon (https://bdolytics.com/en/NA/db/pearl-offer/1152)

Newborn Golden Dragon pet Newborn Golden Dragon (https://bdolytics.com/en/NA/db/item/615909)

Lahtron pet icon Lahtron (https://bdolytics.com/en/NA/db/item/48880)

Here are some other pets with just DRR talent:

Premium Pets: Young Griffon
Rare Pets: Snowlight Lynx

Premium Pets: Turtle
Rare Pets: Snowkid

Premium Pets: Stoneback Crab
Rare Pets: Borrum Wolf

Premium Pets: Desert Fox
Rare Pets: Young Fogan

Premium Pets:
Rare Pets: Erethea’s Snow Leopard

Premium Pets:
Rare Pets: Helter-Skelter Ceros

❗Some pet types are different on other regions, so make sure to check them before purchasing❗

Life Skill DRR

Life Skill DRR is 0% while untrained. At Beginner 1 it becomes 10%, then rises by 0.5 percentage points per progression level to the 60% cap at Guru 20.

Putting it together

Calculating Chance to Consume Durability

Let’s say you have the following setup:

- Unbranded Rod
- Guru 20
- 91% DRR

This will put your chance to consume durability at 3.6%:

(1 − 0.6) × (1 − 0.91) = 0.036

Adding a Brand Stone (https://bdolytics.com/en/NA/db/item/8930) to this puts our chance to consume durability at 1.8% (exactly half):

0.5 × (1 − 0.6) × (1 − 0.91) = 0.018

Calculating Average Casts

How does this look like for the Grandpa Cron Rod?

It has a maximum durability of 2000. So with a chance of 1.8% this will give us on average ~111111 casts:

2000 / 0.018 ≈ 111111.1111

Without a Brand Stone it will be only 55555 casts, so make sure to brand it!

2000 / 0.036 ≈ 55555.5556