Date & Time: 20 October 2018, 10:55 GMT
Frequency: Always
World name: Odin
Character name: Lynn Nuvestrahl
Retainer name: -
NPC name: -
Monster name: Striking Dummy
Class/Level: MNK70
Party or solo: solo
In-game time: Always
Area and coordinates: Coerthas Central Highlands ( 13.3 , 16.8 )
Housing: -

Steps:
1. Unequip all gear besides weapon to reduce the chance of critical strikes and the interference from Deep meditation trait.
2. Find a group of 3 Striking Dummies.
3. Repeatedly hit all 3 targets with Arm Of the Destroyer while under the effect of Brotherhood and observe the Chakra gained in the absence of critical hits.
4. Occasionally 2 or 3 Chakra is gained from the weaponskill used.

The tooltip suggests that Chakra is gained on the count of weaponskills but in reality there seems to be a separate chance for Chakra for each target hit when using AoE weaponskills. I did not manage to test this with party members yet but would assume the same applies to them as they get the same buff.

If this isn't a bug, the tooltip should be clarified to include this in the description.

Gear used while testing:
Rakshasa Knuckles HQ (Savage Aim Materia VI x2)

■ PC Specs

To obtain the system information, open the FFXIV launcher and select Config → System Information → Display.

-=-=-=-=- System Information -=-=-=-=-

SYSTEM_OS Windows 8.1 64-bittinen (6.2, koontiversio 9200) (9600.winblue_ltsb.180908-0600)
SYSTEM_CPU Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (8 CPUs), ~3.5GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 8 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS V1.8
SYSTEM_LANGUAGE suomi (Aluekohtainen asetus: suomi)
SYSTEM_MEMORY 16327.938MB
SYSTEM_VIRTUAL_MEMORY 134217727.875MB
SYSTEM_PAGE_FILE 18759.938MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 465.246GB SYSTEM_FREEDISC_SPACE 309.722GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 929.874GB SYSTEM_FREEDISC_SPACE 237.551GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS NVIDIA GeForce GTX 1070
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP GeForce GTX 1070
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 8046.047 MB
SYSTEM_GRAPHICS_SHARED_VRAM 8163.969 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
SYSTEM_GRAPHICS_DRIVER_VERSION 24.21.0013.9836
SYSTEM_GRAPHICS_DRIVER_DATE 25.6.2018 20:26:02
SYSTEM_GRAPHICS_DRIVER_LANGUAGE englanti
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND VoiceMeeter Input (VB-Audio VoiceMeeter VAIO)
SYSTEM_SOUND_DEVICE_ID {451C7C9A-EBF3-4B8F-BA86-0F78D061D804}
SYSTEM_SOUND_DEVICE_NAME vbaudio_vmvaio64_win7.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7600.16385
SYSTEM_SOUND_DRIVER_LANGUAGE englanti
SYSTEM_SOUND_DRIVER_DATE 14.5.2018 10:44:28
SYSTEM_SOUND CABLE Input (VB-Audio Virtual Cable)
SYSTEM_SOUND_DEVICE_ID {648BCD7D-F440-4374-8103-379059D2777B}
SYSTEM_SOUND_DEVICE_NAME vbaudio_cable64_win7.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7600.16385
SYSTEM_SOUND_DRIVER_LANGUAGE englanti
SYSTEM_SOUND_DRIVER_DATE 14.5.2018 10:50:02
SYSTEM_SOUND VoiceMeeter Aux Input (VB-Audio VoiceMeeter AUX VAIO)
SYSTEM_SOUND_DEVICE_ID {96DE00F7-1F21-49E4-AD95-3A48C29CA29A}
SYSTEM_SOUND_DEVICE_NAME vbaudio_vmauxvaio64_win7.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7600.16385
SYSTEM_SOUND_DRIVER_LANGUAGE englanti
SYSTEM_SOUND_DRIVER_DATE 27.6.2018 14:15:48
SYSTEM_SOUND Realtek Digital Output (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {A1F8C3C0-519A-4B87-A92C-B8D51337961C}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.8010
SYSTEM_SOUND_DRIVER_LANGUAGE englanti
SYSTEM_SOUND_DRIVER_DATE 12.5.2017 18:32:44
SYSTEM_SOUND VX2753 SERIES (NVIDIA High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {DB0B4425-E287-45B5-9786-EA35279072EE}
SYSTEM_SOUND_DEVICE_NAME nvhda64v.sys
SYSTEM_SOUND_DRIVER_VERSION 1.03.0037.0004
SYSTEM_SOUND_DRIVER_LANGUAGE englanti
SYSTEM_SOUND_DRIVER_DATE 24.6.2018 20:18:22
SYSTEM_SOUND Kaiuttimet (ODAC)
SYSTEM_SOUND_DEVICE_ID {E7B6D0AD-4A68-4F16-B017-17253DD011E7}
SYSTEM_SOUND_DEVICE_NAME USBAUDIO.sys
SYSTEM_SOUND_DRIVER_VERSION 6.03.9600.16490
SYSTEM_SOUND_DRIVER_LANGUAGE suomi
SYSTEM_SOUND_DRIVER_DATE 21.11.2014 12:10:11
SYSTEM_SOUND Kuulokkeet (2–AT2020USB+)
SYSTEM_SOUND_DEVICE_ID {F1D053F9-F541-4DB9-B0EB-31732078FB37}
SYSTEM_SOUND_DEVICE_NAME USBAUDIO.sys
SYSTEM_SOUND_DRIVER_VERSION 6.03.9600.16490
SYSTEM_SOUND_DRIVER_LANGUAGE suomi
SYSTEM_SOUND_DRIVER_DATE 21.11.2014 12:10:11
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Hiiri
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Näppäimistö
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {432D1AB0-3745-11E7-8003444553540000}
SYSTEM_INPUT_NAME UAC1 DAC
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 1 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {5CDD41F0-7A1B-11E8-8001444553540000}
SYSTEM_INPUT_NAME AT2020USB+
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 1 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {432C0940-3745-11E7-8001444553540000}
SYSTEM_INPUT_NAME Mionix Avior 7000
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {432DDE00-3745-11E7-8004444553540000}
SYSTEM_INPUT_NAME Controller (Gamepad F310)
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 5 SYSTEM_GAMEPAD_BUTTON 10 SYSTEM_GAMEPAD_FOV 1
SYSTEM_INPUT {5CDD6900-7A1B-11E8-8002444553540000}
SYSTEM_INPUT_NAME AT2020USB+
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-