Research

Researching is a key feature in Diplomacy is Not an Option which is used to research specific buildings and other stuff. Players can only research one thing at a time, and most research takes between 1 to 3 minutes. Moreover, once players start research, they cannot cancel it nor get a refund on the resources spent.
This is a list of items that can be found in the research:
== Townhall I ==
Item 	Resources	Duration	Perks acquired
Comfortable Shoes 	15 Stone 	2:00 	Lumberjacks, Miners, Berry pickers, Fishermen, and Farmers get +10% movement speed.
Builders Guild I 	40 Wood 	1:30 	+10% movement speed for Builders
Advanced Toolkits I	40 Wood 	1:30 	Builder gets +10% building and repair speed.
Stained Wood 	140 Wood 	2:30 	Wooden Wall, Wooden Tower, Wooden Gates, and Watchtower get +30% durability.
== Townhall II ==
Item 	Resources	Duration	Perks acquired
Sport Shoes 	15 Iron 	2:30 	Lumberjacks, Miners, Berry pickers, Fishermen, and Farmers get +10% movement speed.
Builders Guild II 	15 Iron 	1:30 	+10% movement speed for Builders
Advanced Toolkits II	30 Stone 	1:30 	Builder gets +10% building and repair speed.
Sturdy Concrete I 	90 Stone 	3:00 	Stone Walls I & II, Stone Towers I & II, Massive towers I & II, and Stone Gates I & II get +30% durability.
== Townhall III ==
Item 	Requirements 	Resources 	Duration	Perks acquired
Sturdy Concrete II 	N/A 	60 Iron 	3:30 	Stone Walls I & II, Stone Towers I & II, Massive towers I & II, and Stone Gates I & II get +30% durability.
Enhanced Foundations	Requires "Sturdy Concrete II" research	50 Wood, 50 Stone	2:00 	House I, House II, and House III get +40% durability.
Engineering Miracle 	Requires "Sturdy Concrete II" research	20 Gold 	3:00 	+20% durability
Personal Toolkits 	N/A 	25 Iron 	2:00 	Builder gets +10% building and repair speed.
Builders Guild III 	N/A 	50 Stone 	2:00 	+10% movement speed for Builders
Blue Suede Shoes 	N/A 	4 Gold 	3:00 	Lumberjacks, Miners, Berry pickers, Fishermen, and Farmers get +10% movement speed.
== Barracks I ==
Item 	Resources	Duration	Perks acquired
Mongoose Reflexes	20 Stone 	1:00 	Swordsmen get a 15% chance to avoid damage from single target attacks.
Sharpshooter 	20 Stone 	1:30 	Archers get a 20% chance to deal double damage.
Gorgothian Potion	50 Wood 	1:00 	Enables Battle Trance for Archers (doubled attack speed for 20s, 185s cooldown)
== Barracks II ==
Item 	Resources	Duration	Perks acquired
Quad Cure 	60 Wood 	2:00 	Healers get +20% healing power.
Harsh Training 	20 Iron 	2:00 	Spearmen get +30% health.
Dry Law 	60 Wood 	1:00 	+20% Axe Warrior health
Red Pill 	40 Stone 	3:00 	Enables "I am the blue hedgehog!" active skill for Axe Warriors (+50% Movement speed, 20% chance to evade an attack, 30s duration, 60s cooldown)
Quick Reload 	20 Iron 	3:00 	Crossbowmen get +25% attack speed.
Expanded Helmet Slots	100 Wood 	2:00 	+1 cell distance for range and target search for Crossbowman
== Barracks III ==
Item 	Requirements 	Resources	Duration	Perks acquired
Blacksmith Guild 	N/A 	80 Wood 	1:30 	Hammerguys get +50% training speed
Infected Mushroom	Blacksmith Guild	4 Gold 	2:30 	Hammerguys can Berserk: +25% damage, +20% attack speed, +50% movement speed, 20-second duration, and 300-second cooldown
Cast-Iron Hammer 	Blacksmith Guild	25 Iron 	2:30 	Hammerguys get +25% damage and -15% movement speed.
Hunting Permit 	N/A 	50 Stone 	3:30 	+15% health for Foot Knights
== Engineer Guild I ==
Item 	Resources	Duration	Perks acquired
Manufacturing Production	40 Wood 	2:00 	Catapults get +30% training speed.
Big Rocks 	30 Stone 	3:30 	Catapults get +25% hit area.
== Engineer Guild II ==
Item 	Resources	Duration	Perks acquired
Conveyor Method 	80 Wood 	2:30 	Trebuchets get +20% training speed.
Shrapnel Projectiles	50 Stone 	4:00 	Trebuchets get +20% hit area.
Foolproof Charge 	25 Iron 	3:30 	Ballistae get +20% attack speed.
== Hospital ==
Item 	Resources	Duration	Perks acquired
Hygiene 	25 Stone 	1:30 	Disease has -25% spread change.
Urgency Bonus	25 Stone 	1:30 	Gravediggers get +20% movement speed.
General Wards	30 Wood 	2:30 	Hospitals have +5 beds.
== Market ==
Item 	Resources	Duration	Perks acquired
Market Regulations	6 Gold 	3:00 	Markets get a better exchange rate.
Greased Propeller 	3 Gold 	1:30 	Zeppelins get +40% movement speed.
== University ==
Item 	Requirements 	Resources 	Duration	Perks acquired
Free Dinners 	N/A 	10 Gold 	2:30 	-20% food consumption around taverns
Pipes Inside Walls 	N/A 	90 Iron 	3:30 	Enables Boiling Oil passive for stone fortifications (fires automatically, deals 120 damage to targets under the pipe and 40 to targets adjacent, 50s cooldown)
Power of Darkness I 	N/A 	10 Gold 	2:00 	+5 Dark Knights
Wide Astral Channel 	Power of Darkness I 	60 Iron 	1:30 	+40% damage for Astral Ray
Healing Magic of Nature	Power of Darkness I 	150 Stone 	2:00 	Instant Healing effect doubled, +15s regeneration duration
Power of Darkness II 	Power of Darkness I 	20 Gold 	2:30 	Dark Knights spawn size increased to 30
Mastery of Drill 	N/A 	40 Wood 	0:20 	+50% training speed for Archers and Swordsmen
Code of Honor 	Mastery of Drill 	10 Iron 	0:20 	Enables Last Stand skill for Swordsmen (double damage and movement speed, +50% attack speed, 50% chance to dodge attacks if Mongoose reflexes was researched, 40s duration, unit dies once skill expires)
More Celery! 	Mastery of Drill 	20 Stone 	0:20 	+40% Swordsmen health
Eternal Stone Source 	N/A 	500 Wood 	4:30 	Unlocks Stone Works
Eternal Iron Source 	Eternal Stone Source	250 Stone 	3:30 	Unlocks Iron works
Ultimate Alchemy 	N/A 	100 Stone and 100 Iron	3:30 	Unlocks Alchemical Transgressor (produces Soul Crystals)
Soul Steal 	Ultimate Alchemy 	20 Gold 	4:30 	Killing siege weapons has a chance of generating Soul Crystals
== Stables II ==
Item 	Requirements 	Resources 	Duration	Perks acquired
Ginger Root Ointment	N/A 	100 Wood 	1:30 	Mounted knights receive Horse Dose skill (+20% movement speed for 25s, 25s cooldown; deals 60 damage to knight, but can't kill them)
Horse Selection 	N/A 	80 Wood 	2:30 	+20% training speed for horseman, horse archer, and mounted knight
Warchestenshire Oat 	Horse Selection	15 Wood and 15 Iron	1:30 	Regeneration delay reduced by 2s, regeneration speed increased by 50%
Explosive Mixture 	 	4 Gold 	2:30 	Enables Exploding Arrows for horse archers (arrows deal AoE damage ignoring armor for 25s, 300s cooldown; disables Sharpshooter for duration)
== See also ==
*DNO Research & Tech Tree guide by Robert N. Adams via TechRaptor
Category:Diplomacy is Not an Option