Homebrew Frost Giant Species Details

Frost Giants, called isejotunen in their own language, are large giants that can be found in most cold environments. 

Among the tallest of true giants, frost giants can tower higher than 21 feet (6.4 meters).They weigh about 8,000 pounds (3,600 kilograms).The bodies of these giants have skin and hair whose colors range a wide spectrum of blue and white shades, though some are known to have dirty yellow hair. Likewise, their eyes are generally shades of blue or yellow.  Men often grow beards, which can become matted with frost and icicles.

Frost giants typically wear the skins or pelts of animals, along with any jewelry they own.  In terms of armor they tend to favor chain mail and helmets adorned with horns or feathers.

Personality

Frost giants have a reputation among other races for being crude and of low intelligence, but they are very cunning fighters.They are greatly respected for their brute strength and battle prowess.

Abilities

Much like all giants, a frost giant can see and hear twice as far as the average human. Unique to their race are senses well adapted to low temperature environments. Their visual senses extend into a higher end of the visible spectrum, allowing them to see more easily through snow and blizzards than other creatures.  Although their bodies are impervious to harm from cold, even that breathed by a white dragon,they are particularly vulnerable to fire.

Society

For frost giants an individual's place in the ordning is determined by evidence of physical might, often taking the form of a combination of the individual's ability to wrestle and boast.It can also take the form of musculature, scars from battles of renown, or trophies fashioned from the bodies of their enemies.It is not uncommon for them to try proving their strength and improving their status by challenging a white dragon.  Because of this violent way of life, most frost giants die in battle rather than passing away peacefully.

Whenever frost giants of different clans meet and their status is unclear, they will wrestle for dominance. At times this can resemble a festival, with giants cheering on their clan's champions and making bold boasts or challenges, but at other times it can take the form of a chaotic free-for-all. 

In their societies, the most important bond (besides that of the ordning) is that of family.  So much so that the recitation of ancestral lineage is an important aspect of the sagas crafted by their skalds, with each new character being introduced with a full recitation accompanied by appropriate music.

Languages

Frost giants are known to speak the general giant language Jotun, their own specialized version of it known as Jotunise, as well as common.  However, they are often largely illiterate due to education being undervalued in their culture.

Names

Common given names among frost giants included the following:

Males: Fulvragg, Grugnur, Haaldir, Helmskag, Oraldr, Oskorri, Skane, Svolm, Ulfur, Uttir, and Valkurl.

Females: Folka, Gauthild, Geira, Grymra, Haelgra, Helmra, Hrimma, Imbra, Magra, and Vulkara.

Frost Giant Traits

Beast Master, Darkvision, Dominating Strength, Fearsome Trophy, Heart of Ice

Beast Master

You dominate a wild creature as evidence of your strength and willpower.  This beast acts as an ally, and assists you during hunting or combat. It will serve you loyally as your companion, submitting to your superior might.  Choose one of either a Giant Eagle, a Polar Bear, a Winter Wolf or a Mammoth.  An exceptionally lucky giant will have subdued a Young Remmorhaz, (a roll of 19 or 20 on a d20).  Use the stat block of any of these creatures from the Monster Manual or relevant books to determine the strengths and weaknesses of your beast companion, which will act beside you at your direction on your initiative roll.

Darkvision

You can see within 60 feet of you as if it were bright light and in darkness as if it were dim light.  You discern colors in that darkness only as shades of gray.

Dominating Strength

Such is your might that you gain Advantage on all Strength rolls, or rolls concerning contests of Strength.  You also gain a +3 Bonus to your Strength and Constitution Ability Scores.

Fearsome Trophy

You take a special Trophy from the gear or bodies of a defeated foe, and wear it about your person as a sign of your might.  This can take the form of a weapon, a skull or any manner of bones, tusks and claws.  This Trophy acts as a warning to all foes of the same type, granting you Advantage to Intimidation checks and an additional attack against any enemy of that type that can see the Trophy.

Heart of Ice

You are frozen to your core and immune to all damage dealt by Cold.  However, you are especially vulnerable to Fire Damage, and uncomfortable in temperatures above freezing.  Extreme heat for periods longer than an hour will cause you to suffer a level of exhaustion for each additional hour of exposure.  This exhaustion can and will lead to your death if you cannot cool down.