Spendthrift

Spendthrift

Description?
1% chance per rank to deal 1% extra damage per rank, at the cost of 1 gold coin per extra point of damage dealt.
Release date	25 January 2016 (Update)
Gizmo type	Weapon
Maximum rank	5

Spendthrift is an Invention perk that has a chance to deal extra damage, but at the cost of consuming coins. It can be created in weapon gizmos.

The exact effects of spendthrift are difficult to calculate as damage is not evenly distributed; however, rough calculations of its effects can be created if a scenario is created where every attack does the same amount of damage.

For the table below, a rate of 100,000 damage per minute spread across 50 attacks has been used.

Spendthrift does not increase the damage from bleed attacks, such as Dismember. Spendthrift will first take coins from your inventory, and then coin pouch.

When the perk triggers, it prompts the message:

Spendthrift has activated and dealt an additional [xxx] damage, costing that amount in coins too!

Cost of spendthrift

Rank	Chance	Damage/Attack (effective)	DPM	Cost/Minute	(per hour)
None	0%	2,000.0	100,000	0	0
1	1%	2,000.2	100,010	10	600
2	2%	2,000.8	100,040	40	2,400
3	3%	2,001.8	100,090	90	5,400
4	4%	2,003.2	100,160	160	9,600
5	5%	2,005.0	100,250	250	15,000

Sources

Material		Rarity	Perk ranks with X materials
			1	2	3	4	5
	Magic parts	Common	0	0	0	1	1–2
	Precious components	Uncommon	0	1	1–2	1–3	1–4
	Saradomin components	Rare	0	1–2	2–3	3–4	5
	Fortunate components	Rare	0	1–2	1–3	1–4	1–5