public void addEffect(SkillEffect e){
		for (SkillEffect effect : skillEffects) {
			if(effect == e) return;
		}
			skillEffects.add(e);
			
			switch(skillEffects.size()){
			case 1: tier = Tier.T1;
				break;
			case 2: tier = Tier.T2;
				break;
			case 3: tier = Tier.T3;
				break;
			case 4: tier = Tier.T4;
				break;
			case 5: tier = Tier.T5;
				break;
			}
	}