Lord of the Wilds wrong spirit costs

As above, Lord of the Wilds doubles spirit cost for non-minions gems.
The math just doesn't work.
You have 100% cost as base, add 50% from Lord of the Wilds and you have 150%
So a gem with 30 spirit cost should cost 45.
Instead the costs are doubled - 30 spirit gem cost 60 etc.

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Palestir#2298 wrote:

As above, Lord of the Wilds doubles spirit cost for non-minions gems.
The math just doesn't work.
You have 100% cost as base, add 50% from Lord of the Wilds and you have 150%
So a gem with 30 spirit cost should cost 45.
Instead the costs are doubled - 30 spirit gem cost 60 etc.

No, this is correct as it is reservation efficiency, not more/less reservation. 50% less efficiency is indeed 100% more reservation cost because the formula is:
Base reservation cost (30) / (100% + efficiencymod(-50%)) = 30/50% = 30/0.5 = 60

Thank you for the info.
In this case I would love for GGG to work more on their wording, putting "non-minion skill have double reservation cost" is less confusing than -50%... probably.

Doubling the cost will also change how the node works.

Let's say you got 20% reservation efficiency on gear, under the current system you'd get

Base reservation cost (30) / (100% + efficiencymod(-30%)) = 30/70% = 30/0.7 = 42.8

but if the node doubled costs, that'd be

Base reservation cost (30)*2 / (100% + efficiencymod(+20%)) = 60/120% = 60/1.2 = 50

such a change would be very much for the worse on an already (in my opinion) very underpowered node

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HalfThere#5863 wrote:

Doubling the cost will also change how the node works.

Let's say you got 20% reservation efficiency on gear, under the current system you'd get

Base reservation cost (30) / (100% + efficiencymod(-30%)) = 30/70% = 30/0.7 = 42.8

You can't sum up increase and less modifiers, they multiply. It's 30 / 1.2*0.5 = 50 as well.

so it is, my mistake - I thought Lord of the Wilds was 50% reduced, not less - it is not so