What are the different Buffs?

Listed below in no particular order are the various buffs that are available in the game and how many diamonds they cost to buy.

Buffs

Temp Build Limit+

You will be able to build one more building at once for a day.

Cost to buy: 10 diamonds

Temp Study Limit+

You will be able to study on more art at once for a day.

Cost to buy: 10 diamonds

Temp Drill Limit+

You will be able to drill one more type at once for a day.

Cost to buy: 10 diamonds

Gold Yield+ 100%

Food yield of all of your towns will be increased by 100% for a day.

Cost to buy: 15 diamonds

Food Yield + 100%

Food yield of all of your towns will be increased by 100% for a day.

Cost to buy: 15 diamonds

Wood Yield + 100%

Wood yield of all of your towns will be increased by 100% for a day.

Cost to buy: 15 diamonds

Iron Yield + 100%

Iron yield of all of your towns will be increased by 100% for a day.

Cost to buyN 15 diamonds

Goods Yield +30%

Goods yield of all of your towns will be increased by 30% for a day.

Cost to buy: 10 diamonds

Drill Time - 20%

Training time of all of your towns will be decreased by 20% for a day.

Cost to buy: 15 diamonds

Barrier

This will protect your current town from other lords for a day.

Cost to buy: 30 diamonds

Speed +50%

Movement speed of all of your units will be increased by 50% for a day.

Cost to buy: 30 diamonds.

Unit Attack +20%

Attack damage of all of your units will be increased by 20% for a day.

Cost to buy: 30 diamonds

Unit Armour +20%

Armour defense of all of your units will be increased by 20% for a day.

Cost to buy: 30 diamonds

Unit HP +20%

Health point of all of your units will be increased by 20% for a day.

Cost to buy: 30 diamonds

Hero XP +100%

XP all of your heroes acquire will be increased by 100% for a day.

Cost to buy: 30 diamonds

Usable XP +30%

The amount of XP you can transfer will be increased by 30% for 2 hours

Cost to buy: 50 diamonds

Visiting Heroes +100

Every temple will have 20 more heroes visiting for 2 hours.

Cost to buy: 10 diamonds

Automatic Trade

Trade offers will be accepted automatically for a day.

Cost to buy: 15 diamonds

Info from Recon +2

For a day, the amount of info you get when reconning other players gets increased by 2, and the amount of info enemies get when reconning gets decreased by 2.

Cost to buy: 100 diamonds

Special Buffs

Builder Limit +1

Your build limit will be increased by 1 permanently.

Cost to buy: 50 diamonds

Study Limit +1

Your study limit will be increased by 1 permanently.

Cost to buy: 100 diamonds

Drill Limit +1

Your drill limit will be increased by 1 permanently.

Cost to buy: 150 diamonds

Hero Limit +1

Your hero limit will be increased by 1 permanently.

Cost to buy: 100 diamonds

I'll Be Your Friend

Let me introduce a friend to you. He whom you know nothing about will play the game every day helping you get the family, but that is all - no increae in like-o-meter and no Sycees.

Cost to buy: 100 diamonds

100 Reroll Tickets

Slightly cheaper than 100 rerolls.

Cost to buy: 180 diamonds