Following are from thenounproject.com
Horse https://thenounproject.com/term/horse/160197/ By Raf Verbraeken
Cross https://thenounproject.com/term/cross/2854322 By Template
shackle https://thenounproject.com/term/shackle/217216 By Robert Bjurshagen
Slavery https://thenounproject.com/term/slavery/457559 By Teo Schutfort
Olmec Head https://thenounproject.com/term/olmec-head/199851 By Alberto Guerra Quintanilla
Snake https://thenounproject.com/term/snake/2927596 By Eucalyp
sun https://thenounproject.com/term/sun/2762177 By attar
aztec https://thenounproject.com/term/aztec/1238332 By Alvaro Cabrera
sun https://thenounproject.com/term/sun/1750851 By kareemovic3000
Incense by kokank13 from NounProject.com
Joey https://thenounproject.com/term/joey/3386465 By Ph?m Thanh L?c
Boomerang https://thenounproject.com/term/boomerang/3159382 By Eucalyp
Tower by Creative Stall from NounProject.com
Spear https://thenounproject.com/term/spear/2239488 By Smalllike
mask https://thenounproject.com/term/mask/3481185 By iconixar
Teotihuacan warrior https://thenounproject.com/term/teotihuacan-warrior/1583764 By Zack McCune
mask https://thenounproject.com/term/mask/3354930 By Andrejs Kirma,
Fire https://thenounproject.com/term/fire/2397324 By Rudez Studio
Flower Pot https://thenounproject.com/term/flower-pot/1052347 By Brand Mania
Incense https://thenounproject.com/term/incense/316170 By Tanya Magdieva,
incense candle https://thenounproject.com/term/incense-candle/2126705 By ProSymbols,
Deer https://thenounproject.com/term/deer/734837 By Laymik
tomb https://thenounproject.com/term/tomb/281300 By Vectors Market
bow and arrow https://thenounproject.com/term/bow-and-arrow/1645775 By sarah
Dog https://thenounproject.com/term/dog/1026726 By Bakunetsu Kaito
Horse https://thenounproject.com/term/horse/183940 By Arthur Bauer
Elephant https://thenounproject.com/icon/elephant-446974/ By Pranav Grover
Flag https://thenounproject.com/term/flag/1423998 By Kangrif
Horse https://thenounproject.com/term/horse/24573 By Thier Mundim,
Artaxiad dynasty flag https://www.peopleofar.com/2017/01/30/reconstructing-artaxiad-flag/ by PeopleOfAr
Translations: Smashfanful - Italian paontv - Japanese Fixes: Smashfanful