Gatot Kaca is a semi tank type hero like Balmond because of the type of half tank and fighter. Here you can use it as a tank or fighter.
This legendary hero has a Steel Bones pasive skill that can raise 4% of his lost HP to physical defense. Every 6 seconds, Gatot Kaca will inflict damage to an opponent who owns HP a half times more than it.
Here is a suitable gear for the half-tank hero and fighter like Gatot Kaca. The first is Blood Wings which increases 150 magic attack and HP, and passive skill that gives 2 HP every 1 magic attack given.
After that Bloodthirsty King which increases 1550 HP and provides passive skill which increase HP 20% each hero kill or assist for 5 second. Then Calamity Reaper raises 70 magic attacks, 400 mana and reduces 10% skill cooldown with passive skill that gives 120% extra magic damage to the next normal attack.
Cursed Helmet which increases 920 HP and 50 magic RES and gives 1.5% of max HP as magic damage to the nearest opponent and 50% damage to minion. Disaster Truncheon which increases 60 magic attacks and 50 magic resistance, and reduces 25 magic reisistance each opponent is exposed to magic damage.
Then the Warrior Boots are raising 22 armor and 5 physical defense each time receiving normal attacks up to 25.
A good step when starting the game for this flying hero is to kill the jungle monsters to pick up the buff. Then the best combination of effective Gatot Kaca skill to kill the opponent is ultimate skill followed by skill 2 and end with first skill.
To be able to use Gatot Glass, you must buy it using 32,000 battle points or 499 and you have to play on the advanced server. That's a little tips from me that might be useful for you who want clever use of Gatot Glass. But this does not guarantee victory because it also depends on the player and other things.